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Files from Vern Paxson

Email addressvern at icir.org
First Active2014-09-10
Last Active2024-01-24
Zeek 3.2.2
Posted Oct 8, 2020
Authored by Robin Sommer, Vern Paxson | Site zeek.org

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Zeek provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Zeek has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Zeek's user community includes major universities, research labs, supercomputing centers, and open-science communities. This is the source code release.

Changes: Fixed multipart MIME leak of sub-part found after closing-boundary. Improved CI benchmark script's error handling/messaging. Fixed incorrect RSTOS0 conn_state determinations.
tags | tool, intrusion detection
systems | unix
SHA-256 | 6c5748c49207241977a0d9fcbac8ce3b6abbf866ff29469fd0c2dcd3d4f99d01
Zeek 3.2.1
Posted Sep 10, 2020
Authored by Robin Sommer, Vern Paxson | Site zeek.org

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Zeek provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Zeek has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Zeek's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: A security issue along with multiple bugs were addressed.
tags | tool, intrusion detection
systems | unix
SHA-256 | 1ebcc73815b00df7b7f578d34cd0278030857b6c082aaff416016b00d3d1cb67
Zeek 3.2.0
Posted Aug 10, 2020
Authored by Robin Sommer, Vern Paxson | Site zeek.org

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Zeek provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Zeek has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Zeek's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Zeek now caches certificates if they have (by default) been encountered more than 10 times in 62 seconds. Add parsing support for Remote Desktop Protocol UDP Transport Extension (RDPEUDP versions 1 and 2).
tags | tool, intrusion detection
systems | unix
SHA-256 | af3ee5635140a54d305667983d38ea28f36457c9f2f8727e90ea3ef00b22c44f
Zeek 3.1.5
Posted Jul 28, 2020
Authored by Robin Sommer, Vern Paxson | Site zeek.org

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Zeek provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Zeek has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Zeek's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Multiple stack overflows fixed as well as various bug fixes.
tags | tool, intrusion detection
systems | unix
SHA-256 | b944e8d47ac435bf83ba61cbfb66ce49eb11ca2fbbde1dc2bae638097ae399e7
Zeek 3.1.4
Posted Jun 10, 2020
Authored by Robin Sommer, Vern Paxson | Site zeek.org

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Zeek provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Zeek has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Zeek's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Various bug fixes.
tags | tool, intrusion detection
systems | unix
SHA-256 | d72b8bcba0def6ba93b650d6f25896d9326ee0b02113b80696f47b08bd73e964
Zeek 3.1.3
Posted May 8, 2020
Authored by Robin Sommer, Vern Paxson | Site zeek.org

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Zeek provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Zeek has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Zeek's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Fixed a buffer over-read in the Ident analyzer. Various other bug fixes as well.
tags | tool, intrusion detection
systems | unix
SHA-256 | d7bf24615c4c0af2435c99c9fb8c9c0f0ecdce375e184ba7f63b715ae5900a61
Zeek 3.1.2
Posted Apr 15, 2020
Authored by Robin Sommer, Vern Paxson | Site zeek.org

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Zeek provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Zeek has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Zeek's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Fixed a stack overflow in the POP3 analyzer. Various other bug fixes as well.
tags | tool, intrusion detection
systems | unix
SHA-256 | 1858725fd6d04a1af3c2798c341529aa0d229e838b6476f036156dc5dd254aa1
Zeek 3.1.1
Posted Mar 10, 2020
Authored by Robin Sommer, Vern Paxson | Site zeek.org

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Zeek provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Zeek has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Zeek's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: This release fixes a potential high CPU load due to race in Broker data stores, a memory exhaustion issue, an incorrect symlink, and an improvement to allow some external plugins to compile.
tags | tool, intrusion detection
systems | unix
SHA-256 | a2ef5f36dc4566d2ba129f34c14c269619b9797725b65d2696c27074db5f3e6a
Zeek 3.1.0
Posted Feb 28, 2020
Authored by Robin Sommer, Vern Paxson | Site zeek.org

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Zeek provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Zeek has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Zeek's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Added a new supervisor framework that enables Zeek to operate clusters. Various other additions and changes in functionality.
tags | tool, intrusion detection
systems | unix
SHA-256 | a31c015afddef00022d3a2c0ab9383a616b6e6954cba467eb037d16b88aaac8c
Zeek 3.0.1
Posted Dec 10, 2019
Authored by Robin Sommer, Vern Paxson | Site zeek.org

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Zeek provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Zeek has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Zeek's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: This release addresses a performance regression in JSON logging along with various other bug fixes.
tags | tool, intrusion detection
systems | unix
SHA-256 | 79f4f3efd883c9c2960295778dc290372d10874380fd88450271652e829811d2
Zeek 3.0.0 (Formerly Known As Bro)
Posted Oct 5, 2019
Authored by Robin Sommer, Vern Paxson | Site zeek.org

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Zeek provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Zeek has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Zeek's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Bro is now known as Zeek. Added support for DNSSEC resource records RRSIG, DNSKEY, DS, NSEC, and NSEC3. Added support for parsing and logging DNS SPF resource records. Various other updates.
tags | tool, intrusion detection
systems | unix
SHA-256 | b552940a14132bcbbd9afdf6476ec615b5a44a6d15f78b2cdc15860fa02bff9a
Bro Network Security Monitor 2.6.4
Posted Aug 28, 2019
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: This is a security patch release to address a potential denial of service vulnerability. The NTLM analyzer did not properly handle AV Pair sequences that were either empty or unterminated, resulting in invalid memory access or heap buffer over-read. The NTLM analyzer is enabled by default and used in the analysis of SMB, DCE/RPC, and GSSAPI protocols.
tags | tool, intrusion detection
systems | unix
SHA-256 | a47a9cdcef0ea14d5f70c390ab266f0333063ff96f3869a5f1609581a1d1ceb7
Bro Network Security Monitor 2.6.3
Posted Aug 9, 2019
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: This is a security patch release to address potential denial of service vulnerabilities.
tags | tool, intrusion detection
systems | unix
SHA-256 | 469dd7456af388ba65d8722fbfdd5b9182f14def16149aa5ebceb1cfd881697f
Bro Network Security Monitor 2.6.2
Posted May 31, 2019
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Improved PE file analysis. Added options to tune binpac flowbuffer policy. Various other updates.
tags | tool, intrusion detection
systems | unix
SHA-256 | 6df6876f3f7b1dd8afeb3d5f88bfb9269f52d5d796258c4414bdd91aa2eac0a6
Bro Network Security Monitor 2.6.1
Posted Dec 19, 2018
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Introduced --enable-static-broker configuration option. Update submodules Broker v1.1.2 and SQLite 3.26.0.
tags | tool, intrusion detection
systems | unix
SHA-256 | d9718b83fdae0c76eea5254a4b9470304c4d1d3778687de9a4fe0b5dffea521b
Bro Network Security Monitor 2.6
Posted Nov 30, 2018
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Added missing ICMP router advertisement counterpart. Removed unnecessary Bloom filter empty check. Various other updates.
tags | tool, intrusion detection
systems | unix
SHA-256 | 0ec78d708724453829c9465451c82dc8d712a34c9c857a118e0e366b1eced29d
Bro Network Security Monitor 2.5.5
Posted Aug 31, 2018
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Fixed signed/unsigned comparison warning. Fixed SMTP command string comparisons. Various other updates.
tags | tool, intrusion detection
systems | unix
SHA-256 | 18f2aeb10b4d935d85c115a1e4a93464b9750be19b34997cf6196b29118e73cf
Bro Network Security Monitor 2.5.4
Posted Jun 5, 2018
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Multiple fixes and improvements to BinPAC generated code related to array parsing, with potential impact to all Bro's BinPAC-generated analyzers in the form of buffer over-reads or other invalid memory accesses depending on whether a particular analyzer incorrectly assumed that the evaluated-array-length expression is actually the number of elements that were parsed out from the input. Various other updates.
tags | tool, intrusion detection
systems | unix
SHA-256 | 80daea433fa654f2602cf67b19b9121ff6ad57761bad73cc29020c4f490c5f1f
Bro Network Security Monitor 2.5.3
Posted Feb 16, 2018
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Patch added in Binpac submodule that fixes an integer overflow.
tags | tool, intrusion detection
systems | unix
SHA-256 | 7384fa14e6cebc86488040877fc0bfd50868e969f0fa05178cef0116e4116225
Bro Network Security Monitor 2.5.2
Posted Oct 16, 2017
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Bro 2.5.2 fixes a security issue in the ContentLine analyzer. In rare cases a bug in the ContentLine analyzer can lead to an out of bound write of a single byte. This allows a remote attacker to crash Bro; there also is a possibility this can be exploited in other ways.
tags | tool, intrusion detection
systems | unix
SHA-256 | ab95b1bc376282919e5fa6b25b5ef8864e2e7bd5efe842db35d4a223b8f5b970
Bro Network Security Monitor 2.5.1
Posted Jun 27, 2017
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Multiple additions and improvements.
tags | tool, intrusion detection
systems | unix
SHA-256 | 2c6ce502864bee9323c3e46213a21cfe9281a65cbedf81d5ab6160a437a89511
Bro Network Security Monitor 2.5
Posted Nov 18, 2016
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Bro now requires a compiler with C++11 support for building the source code. Bro now requires Python instead of Perl to compile the source code. When enabling Broker (which is disabled by default), Bro now requires version 0.14 of the C++ Actor Framework. New SMB analyzer added. Inclusion of multiple frameworks has been added. Multiple other additions and improvements.
tags | tool, intrusion detection
systems | unix
SHA-256 | 1502a290d3663fa67a44ff6c1c8e8e9434b8ae5e76be5c2a02b06a0e391dc080
Bro Network Security Monitor 2.4.1
Posted Sep 9, 2015
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Moved SIP analyzer to flowunit instead of datagram. Fixed potential ARP out-of-bounds memory access. Various other updates and fixes.
tags | tool, intrusion detection
systems | unix
SHA-256 | d8b99673a5024630f6bae820c4f8c3ca9029f1167f9e5729c914c66e1fc7c8f6
Bro Network Security Monitor 2.4
Posted Jun 10, 2015
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Bro now has support for external plugins that can extend its core functionality, like protocol/file analysis, via shared libraries. Bro now has support for the MySQL wire protocol. Activity gets logged into mysql.log. Bro now parses DTLS traffic. Activity gets logged into ssl.log. Various other updates and fixes.
tags | tool, intrusion detection
systems | unix
SHA-256 | 740c0d0b0bec279c2acef5e1b6b4d0016c57cd02a729f5e2924ae4a922e208b2
Bro Network Security Monitor 2.3.2
Posted Jan 27, 2015
Authored by Robin Sommer, Vern Paxson | Site bro.org

Bro is a powerful network analysis framework that is much different from the typical IDS you may know. While focusing on network security monitoring, Bro provides a comprehensive platform for more general network traffic analysis as well. Well grounded in more than 15 years of research, Bro has successfully bridged the traditional gap between academia and operations since its inception. Today, it is relied upon operationally in particular by many scientific environments for securing their cyber-infrastructure. Bro's user community includes major universities, research labs, supercomputing centers, and open-science communities.

Changes: Multiple security-related bug fixes.
tags | tool, intrusion detection
systems | unix
advisories | CVE-2014-9586
SHA-256 | 2fe5fbda0a86b5a594116d567fd9a4c2458d30f1c6670ba8e1fac0bc8848c69b
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