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CVE-2016-6304

Status Candidate

Overview

Multiple memory leaks in t1_lib.c in OpenSSL before 1.0.1u, 1.0.2 before 1.0.2i, and 1.1.0 before 1.1.0a allow remote attackers to cause a denial of service (memory consumption) via large OCSP Status Request extensions.

Related Files

Red Hat Security Advisory 2017-2493-01
Posted Aug 22, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2493-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library. Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages technologies. This release provides an update to OpenSSL and Tomcat 6/7 for Red Hat JBoss Web Server 2.1.2.

tags | advisory, java, web, protocol
systems | linux, redhat
advisories | CVE-2016-6304, CVE-2016-8610, CVE-2017-5647, CVE-2017-5664
SHA-256 | 433eb5a4ba8c2a4ffb2b9fdb5aae2ede9d17adb9eef7d9ad9f509286e86517e5
Red Hat Security Advisory 2017-2494-01
Posted Aug 22, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2494-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library. Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages technologies. This release provides an update to OpenSSL and Tomcat 6/7 for Red Hat JBoss Web Server 2.1.2.

tags | advisory, java, web, protocol
systems | linux, redhat
advisories | CVE-2016-6304, CVE-2016-8610, CVE-2017-5647, CVE-2017-5664
SHA-256 | 5df0cde009ea76fc4d097ec8af7d6914e065e0eb2e8b377de3486c9be15a06b4
Red Hat Security Advisory 2017-1658-01
Posted Jun 28, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1658-01 - Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server. This release includes bug fixes as well as a new release of OpenSSL. For further information, see the knowledge base article linked to in the References section. All users of Red Hat JBoss Enterprise Application Platform 6.4 on Red Hat Enterprise Linux 7 are advised to upgrade to these updated packages. The JBoss server process must be restarted for the update to take effect. Multiple security issues have been addressed.

tags | advisory, java
systems | linux, redhat
advisories | CVE-2016-2177, CVE-2016-2178, CVE-2016-6304, CVE-2016-8610
SHA-256 | 50aa060f98da6b1e50308b6d01277a2a6b359083f0c8bbb7e34abde4dcebe506
Red Hat Security Advisory 2017-1659-01
Posted Jun 28, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1659-01 - Red Hat JBoss Enterprise Application Platform is a platform for Java applications based on the JBoss Application Server. This release includes bug fixes as well as a new release of OpenSSL that addresses a number of outstanding security flaws. For further information, see the knowledge base article linked to in the References section. All users of Red Hat JBoss Enterprise Application Platform 6.4 on Red Hat Enterprise Linux 6 are advised to upgrade to these updated packages. Multiple security issues have been addressed.

tags | advisory, java
systems | linux, redhat
advisories | CVE-2016-2177, CVE-2016-2178, CVE-2016-6304, CVE-2016-8610
SHA-256 | b063190fd710dc1e98b42fc46ea97b54f3b495147b0d0c8c6dc8b32e46110a6d
Red Hat Security Advisory 2017-1414-01
Posted Jun 7, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1414-01 - Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Service Pack 1 serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.23, and includes bug fixes, which are documented in the Release Notes document linked to in the References.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2016-0736, CVE-2016-2161, CVE-2016-6304, CVE-2016-7056, CVE-2016-8610, CVE-2016-8740, CVE-2016-8743
SHA-256 | e31cbbf43e6335aa07238e1960a554f893a663a6add6b13476337524256e651a
Red Hat Security Advisory 2017-1413-01
Posted Jun 7, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1413-01 - Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Service Pack 1 serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.23, and includes bug fixes, which are documented in the Release Notes document linked to in the References.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2016-0736, CVE-2016-2161, CVE-2016-6304, CVE-2016-7056, CVE-2016-8610, CVE-2016-8740, CVE-2016-8743
SHA-256 | fc5d578ab608d805766f010632eaa528562b46809479d52a698f7d9a3c64dc63
Red Hat Security Advisory 2017-1415-01
Posted Jun 7, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-1415-01 - Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Service Pack 1 serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.23, and includes bug fixes, which are documented in the Release Notes document linked to in the References.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2016-0736, CVE-2016-2161, CVE-2016-6304, CVE-2016-7056, CVE-2016-8610, CVE-2016-8740, CVE-2016-8743
SHA-256 | 24687afd6a4178ce7a6bea57d07ffe21c8d73aff655ff9ce66ec2a3fe153139e
Apple Security Advisory 2016-12-13-1
Posted Dec 14, 2016
Authored by Apple | Site apple.com

Apple Security Advisory 2016-12-13-1 - macOS 10.12.2 is now available and addresses arbitrary code execution, denial of service, and various other vulnerabilities.

tags | advisory, denial of service, arbitrary, vulnerability, code execution
systems | apple
advisories | CVE-2016-1777, CVE-2016-1823, CVE-2016-4688, CVE-2016-4691, CVE-2016-4693, CVE-2016-5419, CVE-2016-5420, CVE-2016-5421, CVE-2016-6303, CVE-2016-6304, CVE-2016-7141, CVE-2016-7167, CVE-2016-7411, CVE-2016-7412, CVE-2016-7413, CVE-2016-7414, CVE-2016-7416, CVE-2016-7417, CVE-2016-7418, CVE-2016-7588, CVE-2016-7591, CVE-2016-7594, CVE-2016-7595, CVE-2016-7596, CVE-2016-7600, CVE-2016-7602, CVE-2016-7603, CVE-2016-7604
SHA-256 | 68bf50743be919151d9547b2351d633298a9bfe57d7160fac7541f89315f5b98
Gentoo Linux Security Advisory 201612-16
Posted Dec 7, 2016
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201612-16 - Multiple vulnerabilities have been found in OpenSSL, the worst of which allows attackers to conduct a time based side-channel attack. Versions less than 1.0.2j are affected.

tags | advisory, vulnerability
systems | linux, gentoo
advisories | CVE-2016-2105, CVE-2016-2106, CVE-2016-2107, CVE-2016-2108, CVE-2016-2109, CVE-2016-2176, CVE-2016-2177, CVE-2016-2178, CVE-2016-2180, CVE-2016-2183, CVE-2016-6304, CVE-2016-6305, CVE-2016-6306, CVE-2016-7052
SHA-256 | 267f0c13083d309d4f011bd2771d90788d5f04ad963b99fcd180d27463f73d7a
Red Hat Security Advisory 2016-2802-01
Posted Nov 17, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-2802-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library. Security Fix: A memory leak flaw was found in the way OpenSSL handled TLS status request extension data during session renegotiation. A remote attacker could cause a TLS server using OpenSSL to consume an excessive amount of memory and, possibly, exit unexpectedly after exhausting all available memory, if it enabled OCSP stapling support.

tags | advisory, remote, protocol, memory leak
systems | linux, redhat
advisories | CVE-2016-6304
SHA-256 | 725da1b5c613bcd982c7bcfe20324be7b1e25d2d226b08cabed951c85a985649
OpenSSL x509 Parsing Double-Free / Invalid-Free
Posted Oct 11, 2016
Authored by Guido Vranken

Double-free and invalid-free vulnerabilities in x509 parsing were found in the latest OpenSSL (1.1.0b).

tags | exploit, vulnerability
advisories | CVE-2016-6304
SHA-256 | 84e0be7df2d3c2e2d251ffdb420dc03c362c9b13bd364133b5db39a3fee9d934
Red Hat Security Advisory 2016-1940-01
Posted Sep 27, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1940-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library. Security Fix: A memory leak flaw was found in the way OpenSSL handled TLS status request extension data during session renegotiation. A remote attacker could cause a TLS server using OpenSSL to consume an excessive amount of memory and, possibly, exit unexpectedly after exhausting all available memory, if it enabled OCSP stapling support.

tags | advisory, remote, protocol, memory leak
systems | linux, redhat
advisories | CVE-2016-2177, CVE-2016-2178, CVE-2016-2179, CVE-2016-2180, CVE-2016-2181, CVE-2016-2182, CVE-2016-6302, CVE-2016-6304, CVE-2016-6306
SHA-256 | 19da4e9f2644bafd62ade81685cad4dbfebe84c91adc49693b780a7d22008e4e
Ubuntu Security Notice USN-3087-2
Posted Sep 23, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3087-2 - USN-3087-1 fixed vulnerabilities in OpenSSL. The fix for CVE-2016-2182 was incomplete and caused a regression when parsing certificates. This update fixes the problem. Shi Lei discovered that OpenSSL incorrectly handled the OCSP Status Request extension. A remote attacker could possibly use this issue to cause memory consumption, resulting in a denial of service. Guido Vranken discovered that OpenSSL used undefined behaviour when performing pointer arithmetic. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue has only been addressed in Ubuntu 16.04 LTS in this update. CAsar Pereida, Billy Brumley, and Yuval Yarom discovered that OpenSSL did not properly use constant-time operations when performing DSA signing. A remote attacker could possibly use this issue to perform a cache-timing attack and recover private DSA keys. Quan Luo discovered that OpenSSL did not properly restrict the lifetime of queue entries in the DTLS implementation. A remote attacker could possibly use this issue to consume memory, resulting in a denial of service. Shi Lei discovered that OpenSSL incorrectly handled memory in the TS_OBJ_print_bio function. A remote attacker could possibly use this issue to cause a denial of service. It was discovered that the OpenSSL incorrectly handled the DTLS anti-replay feature. A remote attacker could possibly use this issue to cause a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-2177, CVE-2016-2178, CVE-2016-2179, CVE-2016-2180, CVE-2016-2181, CVE-2016-2182, CVE-2016-2183, CVE-2016-6302, CVE-2016-6303, CVE-2016-6304, CVE-2016-6306
SHA-256 | 866a666b9c95f3a131d4f84a0275b8f76cab02d1c331b6dda84b16932f9b0d80
Ubuntu Security Notice USN-3087-1
Posted Sep 22, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3087-1 - Shi Lei discovered that OpenSSL incorrectly handled the OCSP Status Request extension. A remote attacker could possibly use this issue to cause memory consumption, resulting in a denial of service. Guido Vranken discovered that OpenSSL used undefined behaviour when performing pointer arithmetic. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue has only been addressed in Ubuntu 16.04 LTS in this update. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2016-2177, CVE-2016-2178, CVE-2016-2179, CVE-2016-2180, CVE-2016-2181, CVE-2016-2182, CVE-2016-2183, CVE-2016-6302, CVE-2016-6303, CVE-2016-6304, CVE-2016-6306
SHA-256 | 36a754a10b5e01cc0dee6ee9fc630a143ff6e890a747d866691c58d6bc39ec95
Debian Security Advisory 3673-1
Posted Sep 22, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3673-1 - Several vulnerabilities were discovered in OpenSSL.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2016-2177, CVE-2016-2178, CVE-2016-2179, CVE-2016-2180, CVE-2016-2181, CVE-2016-2182, CVE-2016-2183, CVE-2016-6302, CVE-2016-6303, CVE-2016-6304, CVE-2016-6306
SHA-256 | 097e35417672fd244d49ec1b5ad7ea3269ba4b14b613ec4f5f3f90843c6baef7
OpenSSL Toolkit 1.0.2i
Posted Sep 22, 2016
Site openssl.org

OpenSSL is a robust, fully featured Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols with full-strength cryptography world-wide.

Changes: A large amount of security issues have been addressed.
tags | tool, encryption, protocol
systems | unix
advisories | CVE-2016-2177, CVE-2016-2178, CVE-2016-2179, CVE-2016-2180, CVE-2016-2181, CVE-2016-2182, CVE-2016-2183, CVE-2016-6302, CVE-2016-6303, CVE-2016-6304, CVE-2016-6306
SHA-256 | 9287487d11c9545b6efb287cdb70535d4e9b284dd10d51441d9b9963d000de6f
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