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Files from Andrea Barisani

Email addressandrea at inversepath.com
First Active2001-07-11
Last Active2017-10-20
Tenshi Log Monitoring Program 0.17
Posted Oct 20, 2017
Authored by Andrea Barisani | Site dev.inversepath.com

tenshi is a log monitoring program, designed to watch one or more log files for lines matching user defined regular expressions and report on the matches. The regular expressions are assigned to queues which have an alert interval and a list of mail recipients. Queues can be set to send a notification as soon as there is a log line assigned to it, or to send periodic reports.

Changes: Improved logic for dropping privileges to ensure coverage for tail process.
tags | tool, system logging
systems | unix
SHA-256 | 9b7e72b6496e2f6abd77d1dd3c4c6b77bdce61ca5531f9f1c62376b020904db7
Tenshi Log Monitoring Program 0.16
Posted Aug 17, 2017
Authored by Andrea Barisani | Site dev.inversepath.com

tenshi is a log monitoring program, designed to watch one or more log files for lines matching user defined regular expressions and report on the matches. The regular expressions are assigned to queues which have an alert interval and a list of mail recipients. Queues can be set to send a notification as soon as there is a log line assigned to it, or to send periodic reports.

Changes: PID file is now created before dropping privileges (CVE-2017-11746). Removed old redhat, solaris and suse init scripts. Rewrote and simplified the OpenRC init script. Renamed the "gentoo" init script to "openrc". Throttled monitoring loop on empty reads. Added options for listening on Redis queues (redisqueue, redisserver).
tags | tool, system logging
systems | unix
SHA-256 | 6453d84b6d4fdbb3f4235d394ae6c5f3b6e0b33a4949b82b62b89d493300c977
Siemens SIMATIC CP 343-1 Advanced IKEv1 Cipher Suite Configuration
Posted Jan 12, 2017
Authored by Andrea Barisani

The SIMATIC CP 343-1 Advanced product allows configuration of the IKEv1 cipher suite configuration, which specifies the IKE and Encapsulating Security Payload (ESP) supported algorithms, with one cipher for each setting. It is evaluated that the configuration is not consistent with the supported ciphers that are eventually applied on the IPSec responder of the SIMATIC CP 343-1 Advanced. In fact, regardless of the selected choice for the ESP cipher, it is always possible for the IPSec client to propose, and successfully use, DES, 3DES, AES128 and AES256. This invalidates the potential desire to enforce a stronger cipher, as the client can always decide to use weaker. Siemens SIMATIC CP 343-1 Advanced tested with fw V3.0.44 is affected.

tags | advisory
SHA-256 | 9250759f60c9b83870733f1e01826fa5ac1417d8f1d85e6505d03aeac9bf419c
Siemens SIMATIC Cookie Settings / Cross Site Request Forgery
Posted Nov 22, 2016
Authored by Andrea Barisani

Multiple versions of Siemens SIMATIC suffer from a cross site request forgery vulnerability and poor cookie security settings.

tags | advisory, csrf
advisories | CVE-2016-8672
SHA-256 | 26301c53dda7cca8354b059c0a9195478bf2208f7195cb4e264aa05d0d411026
VLC 2.2.1 Arbitrary Pointer Dereference
Posted Aug 23, 2015
Authored by Andrea Barisani, Open Source CERT, Loren Maggiore

VLC versions 2.2.1 and below suffer from an arbitrary pointer dereference vulnerability.

tags | advisory, arbitrary
advisories | CVE-2015-5949
SHA-256 | 5729beee45859fa6c90c4ec59513f7ad8f788728b656de7ca5a61d5fed77f09c
FreeRADIUS Insufficient CRL Application
Posted Jun 23, 2015
Authored by Andrea Barisani, Open Source CERT

The FreeRADIUS server relies on OpenSSL to perform certificate validation, including Certificate Revocation List (CRL) checks. The FreeRADIUS usage of OpenSSL, in CRL application, limits the checks to leaf certificates, therefore not detecting revocation of intermediate CA certificates. An unexpired client certificate, issued by an intermediate CA with a revoked certificate, is therefore accepted by FreeRADIUS. Versions equal to and below 2.2.7 and 3.0.8 are affected.

tags | advisory
advisories | CVE-2015-4680
SHA-256 | f44ceb4ece64f245dca32d4e44eaa21e29c75abd2daf06b1fa52ef60f318b7bc
MySQL SSL / TLS Downgrade
Posted Apr 29, 2015
Authored by Andrea Barisani, Open Source CERT, Adam Goodman

A vulnerability has been reported concerning the impossibility for MySQL users (with any major stable version) to enforce an effective SSL/TLS connection that would be immune from man-in-the-middle (MITM) attacks performing a malicious downgrade. Versions 5.7.2 and below are affected.

tags | advisory
advisories | CVE-2015-3152
SHA-256 | d063ca963fad7e412addd0e90a45f79969718f60a862dfd9f8babda513cc3918
e2fsprogs Input Sanitization
Posted Feb 6, 2015
Authored by Andrea Barisani, Open Source CERT

The e2fsprogs package is a set of open source utilities for ext2, ext3 and ext4 filesytems. The libext2fs library, part of e2fsprogs and utilized by its utilities, is affected by a boundary check error on block group descriptor information, leading to a heap based buffer overflow. A specially crafted filesystem image can be used to trigger the vulnerability. Versions prior to 1.42.12 are affected.

tags | advisory, overflow
advisories | CVE-2015-0247
SHA-256 | f36fd29dba36b61b27140d5e0db103cf8b564838924976443f54919358a022f8
JasPer 1.900.1 Off-By-One / Heap Overflow
Posted Jan 22, 2015
Authored by Andrea Barisani, Open Source CERT, pyddeh

The JasPer project is an open source implementation for the JPEG-2000 codec. The library is affected by an off-by-one error in a buffer boundary check in jpc_dec_process_sot(), leading to a heap based buffer overflow, as well as multiple unrestricted stack memory use issues in jpc_qmfb.c, leading to stack overflow. Versions 1.900.1 and below are affected.

tags | advisory, overflow
advisories | CVE-2014-8157, CVE-2014-8158
SHA-256 | 3c1005efe0f84a5d1c16b4cda12795276863a2d60100bb8a67371fa3e2b20f21
UnZip 6.0 Heap Buffer Overflow
Posted Dec 22, 2014
Authored by Andrea Barisani, Open Source CERT

UnZip versions 6.0 and below suffer from multiple heap-based buffer overflow vulnerabilities.

tags | advisory, overflow, vulnerability
advisories | CVE-2014-8139, CVE-2014-8140, CVE-2014-8141
SHA-256 | 3be56fd57959f7da1359a14b848ad60e6021fb8ff555ec02f94fcdda37fffeaf
SoX 14.4.1 Heap Buffer Overflow
Posted Dec 22, 2014
Authored by Andrea Barisani, Open Source CERT

SoX versions 14.4.1 and below suffer from multiple heap-based buffer overflow vulnerabilities.

tags | advisory, overflow, vulnerability
advisories | CVE-2014-8145
SHA-256 | aeff85e5727326a30715ccc28a8c670697acdefdd8f05484570ea038725641a8
JasPer 1.900.1 Double-Free / Heap Overflow
Posted Dec 19, 2014
Authored by Andrea Barisani, Open Source CERT

The JasPer project is an open source implementation for the JPEG-2000 codec. The library is affected by a double-free vulnerability in function jas_iccattrval_destroy() as well as a heap-based buffer overflow in function jp2_decode(). A specially crafted jp2 file, can be used to trigger the vulnerabilities. Versions 1.900.1 and below are affected.

tags | advisory, overflow, vulnerability
SHA-256 | 798d515d2ffb136a29cd7ca51ecc0132ba783edfb641c23ed98f666d2bd80e5e
JasPer 1.900.1 Buffer Overflow
Posted Dec 4, 2014
Authored by Andrea Barisani, Open Source CERT

The JasPer project is an open source implementation for the JPEG-2000 codec. The library is affected by two heap-based buffer overflows which can lead to arbitrary code execution. The vulnerability is present in functions jpc_dec_cp_setfromcox() and jpc_dec_cp_setfromrgn(). A specially crafted jp2 file, can be used to trigger the overflows. Versions 1.900.1 and below are affected.

tags | advisory, overflow, arbitrary, code execution
advisories | CVE-2014-9029
SHA-256 | c95a0cf72de69ab82914ed27fc67d2c1c1a072016b41156b8ec7ce998588fc8d
Tenshi Log Monitoring Program 0.15
Posted Aug 4, 2014
Authored by Andrea Barisani | Site dev.inversepath.com

tenshi is a log monitoring program, designed to watch one or more log files for lines matching user defined regular expressions and report on the matches. The regular expressions are assigned to queues which have an alert interval and a list of mail recipients. Queues can be set to send a notification as soon as there is a log line assigned to it, or to send periodic reports.

Changes: Added mailhelo option. Various bugfixes. See Changelog for complete list of changes.
tags | tool, system logging
systems | unix
SHA-256 | 4f875db168ca53249c521ac0b5a1e2b7498613bc3ac2a23de85638e44d0006a7
LibYAML 0.1.5 Buffer Overflow
Posted Mar 28, 2014
Authored by Andrea Barisani, Open Source CERT

LibYAML versions 0.1.5 and below are affected by a heap-based buffer overflow which can lead to arbitrary code execution. The vulnerability is caused by lack of proper expansion for the string passed to the yaml_parser_scan_uri_escapes() function. A specially crafted YAML file, with a long sequence of percent-encoded characters in a URL, can be used to trigger the overflow.

tags | advisory, overflow, arbitrary, code execution
advisories | CVE-2014-2525
SHA-256 | 801017e1ff1d3bdeae05eeef0c85d7625a0088eef454bd42667d1a259ef47ff8
Xalan-Java 2.7.0 Insufficient Secure Processing
Posted Mar 25, 2014
Authored by Andrea Barisani, Nicolas Gregoire, Open Source CERT

The Xalan-Java library is a popular XSLT processor from the Apache Software Foundation. The library implements the Java API for XML Processing (JAXP) which supports a secure processing feature for interpretive and XSLCT processors. The intent of this feature is to limit XSLT/XML processing behaviours to "make the XSLT processor behave in a secure fashion". It has been discovered that the secure processing features suffers from several limitations that undermine its purpose. Versions 2.7.0 and above are affected.

tags | advisory, java
advisories | CVE-2014-0107
SHA-256 | 2661a94be4bbc4822c2a0c9ff839ec7aafe7ef60fc89113bfb792b62e32262d9
MantisBT 1.1.0a4 / 1.2.15 SQL Injection
Posted Feb 9, 2014
Authored by Andrea Barisani, Open Source CERT

MantisBT versions greater than and equal to 1.1.0a4 and versions equal to and below 1.2.5 suffer from a remote SQL injection vulnerability.

tags | advisory, remote, sql injection
advisories | CVE-2014-1609, CVE-2014-1608
SHA-256 | fd0d34a47dad6a11159e7c09179b8f9eed808970bfe477a1e8a3cee8b3f5c973
Fully Arbitrary 802.3 Packet Injection: Maximizing The Ethernet Attack Surface
Posted Aug 2, 2013
Authored by Andrea Barisani, Daniele Bianco | Site inversepath.com

It is generally assumed that sending and sniffing arbitrary, Fast Ethernet packets can be performed with standard Network Interface Cards (NIC) and generally available packet injection software. However, full control of frame values such as the Frame Check Sequence (FCS) or Start-of-Frame delimiter (SFD) has historically required the use of dedicated and costly hardware. This presentation, given at Blackhat 2013, dissects Fast Ethernet layer 1 and 2 presenting novel attack techniques supported by an affordable hardware setup that, using customized firmware, allows fully arbitrary frame injection. Proof of concept code also included.

tags | paper, arbitrary, proof of concept
systems | linux
SHA-256 | bb338be7787778fc49af36b5ed03c58f82629edba14f5a75966b83f8bf58fd3c
MurmurHash Algorithm Collision Denial Of Service
Posted Nov 24, 2012
Authored by Andrea Barisani, Open Source CERT | Site ocert.org

A variety of programming languages suffer from a denial-of-service (DoS) condition against storage functions of key/value pairs in hash data structures, the condition can be leveraged by exploiting predictable collisions in the underlying hashing algorithms. The issue is similar to the one reported in oCERT-2011-003 and concerns the MurmurHash algorithm family. The condition for predictable collisions in the hashing functions has been reported for the following language implementations: JRuby (MurmurHash2), Ruby (MurmurHash2), Rubinius (MurmurHash3), Oracle JDK (MurmurHash), OpenJDK (MurmurHash). In the case of Java OpenJDK the hash function affected by the reported issue is not enabled by default, the default function is however reported vulnerable to oCERT-2011-003.

tags | advisory, java, ruby
advisories | CVE-2012-5370, CVE-2011-5371, CVE-2011-5372, CVE-2011-5373
SHA-256 | 6158aaf285af06ef9ef0b5c3fb1ac4513de61a3ac22d037a2d66fa0654d3a613
Tenshi Log Monitoring Program 0.14
Posted Jun 3, 2012
Authored by Andrea Barisani | Site dev.inversepath.com

Tenshi is a log monitoring program, designed to watch a log file for lines matching user defined regular expression and report on the matches. The regular expressions are assigned to queues which have an alert interval and a list of mail recipients. Queues can be set to send a notification as soon as there is a log line assigned to it, or to send periodic reports.

Changes: Cleaned up tail invocation code. Fixed repeat handling. Gentoo init script update.
tags | tool, system logging
systems | unix
SHA-256 | 73ff5dfb078e0744709d0ead26276a1c88af8a9f0515e786a60c84bd9cd9cfc7
Open Source CERT Security Advisory 2011.003
Posted Dec 29, 2011
Authored by Andrea Barisani, Open Source CERT | Site ocert.org

A variety of programming languages suffer from a denial-of-service (DoS) condition against storage functions of key/value pairs in hash data structures, the condition can be leveraged by exploiting predictable collisions in the underlying hashing algorithms.

tags | advisory
advisories | CVE-2011-4461, CVE-2011-4838, CVE-2011-4885, CVE-2011-4462, CVE-2011-4815
SHA-256 | 0b2b66a010f07afd3a21848f6c4de292e1d20c5873c836998313c0f5f90e9999
Open Source CERT Security Advisory 2011.001
Posted Jul 16, 2011
Authored by Andrea Barisani, Open Source CERT, Wireghoul | Site justanotherhacker.com

Chyrp versions 2.1 and below suffer from cross site scripting, local file inclusion, shell upload, and directory traversal vulnerabilities. Both the oCERT and original advisories are included here.

tags | exploit, shell, local, vulnerability, xss, file inclusion
SHA-256 | 18cdf52059b49b643716260b829dda6fe150876cbf21decc4085e78858e6de67
Tenshi Log Monitoring Program 0.13
Posted Jul 14, 2011
Authored by Andrea Barisani | Site dev.inversepath.com

Tenshi is a log monitoring program, designed to watch a log file for lines matching user defined regular expression and report on the matches. The regular expressions are assigned to queues which have an alert interval and a list of mail recipients. Queues can be set to send a notification as soon as there is a log line assigned to it, or to send periodic reports.

Changes: Added threshold feature for discarding logs with count below specified value. Fixed broken queue flushing on exit. Various other improvements.
tags | system logging
systems | unix
SHA-256 | a0b9e0ca95eec52b9bbf0c29529435da64af9b3dfa943dbeca0cd77bf223edf2
Open Source CERT Security Advisory 2010.4
Posted Sep 29, 2010
Authored by Andrea Barisani, Open Source CERT | Site ocert.org

The libavcodec library, an open source video encoding/decoding library part of the FFmpeg project, suffers from an arbitrary offset dereference vulnerability. The vulnerability affects the flic file format parser, insufficient restrictions on a writable buffer can be exploited to execute arbitrary code via the heap memory. A specific flic file can be crafted to trigger the vulnerability. Versions 0.6 and below are affected.

tags | advisory, arbitrary
advisories | CVE-2010-3429
SHA-256 | 91eb4e7bc98d45207f87d7999b2a67a127df42b8c0587aab9c0f0d5d54643137
Tenshi Log Monitoring Program 0.12
Posted Sep 18, 2010
Authored by Andrea Barisani | Site dev.inversepath.com

Tenshi is a log monitoring program, designed to watch a log file for lines matching user defined regular expression and report on the matches. The regular expressions are assigned to queues which have an alert interval and a list of mail recipients. Queues can be set to send a notification as soon as there is a log line assigned to it, or to send periodic reports.

Changes: FIFO read bugfix and opensuse rpm spec, see Changelog.
tags | system logging
systems | unix
SHA-256 | 953bbad01cb03674ab6135b70f707467ccd55dd1b8cb7257f1f49473d7767920
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