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CVE-2016-2178

Status Candidate

Overview

The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.

Related Files

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
MD5 | 49cd645b17d25a6b821c9daff60cdac2
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
MD5 | 1f2af40f02de366f82d21bad20fd537b
Red Hat Security Advisory 2017-0194-01
Posted Jan 25, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0194-01 - This release adds the new Apache HTTP Server 2.4.23 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.6 and includes bug fixes and enhancements.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2016-2108, CVE-2016-2177, CVE-2016-2178, CVE-2016-4459, CVE-2016-6808, CVE-2016-8612
MD5 | 975da83bd9aca9cb9a5340cea42e0844
Red Hat Security Advisory 2017-0193-01
Posted Jan 25, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0193-01 - This release adds the new Apache HTTP Server 2.4.23 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.6, and includes bug fixes and enhancements.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2016-2108, CVE-2016-2177, CVE-2016-2178, CVE-2016-4459, CVE-2016-6808, CVE-2016-8612
MD5 | 053512a40c8824ef00912d4a3a6321c1
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
MD5 | f5124381acc5c4e9deed16a7d0aaf863
Cisco Security Advisory 20160927-openssl
Posted Sep 28, 2016
Authored by Cisco Systems | Site cisco.com

Cisco Security Advisory - On September 22, 2016, the OpenSSL Software Foundation released an advisory that describes 14 vulnerabilities.

tags | advisory, vulnerability
systems | cisco
advisories | CVE-2016-2178, CVE-2016-2183
MD5 | 34494deb234d29dad0799daa1734e504
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
MD5 | c6afe0ce742f87952f6ae30a8585adbf
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
MD5 | b3a23bcc910563fa3d39f1007c3692fc
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
MD5 | 79c70a6c007096b178c348d2efcce741
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
MD5 | 11f35f715b1013fffe39d2f812f4af9e
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
MD5 | 678374e63f8df456a697d3e5e5a931fb
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