RHEL 6 : Subscription Asset Manager (RHSA-2013:0686)

Red Hat Subscription Asset Manager 1.2.1, which fixes several security issues, multiple bugs, and adds various enhancements, is now available. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System CVSS base scores, which...

FreeBSD : OpenVPN -- potential side-channel/timing attack when comparing HMACs (92f30415-9935-11e2-ad4c-080027ef73ec)

The OpenVPN project reports : OpenVPN 2.3.0 and earlier running in UDP mode are subject to chosen ciphertext injection due to a non-constant-time HMAC comparison function. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted fr...

FreeBSD -- OpenSSL multiple vulnerabilities

A flaw in the OpenSSL handling of OCSP response verification could be exploited to cause a denial of service attack. OpenSSL has a weakness in the handling of CBC ciphersuites in SSL, TLS and DTLS. The weakness could reveal plaintext in a timing attack...

FreeBSD-SA-13:03.openssl

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ============================================================================= FreeBSD-SA-13:03.openssl Security Advisory The FreeBSD Project Topic: OpenSSL multiple vulnerabilities Category: contrib Module: openssl Announced: 2013-04-02 Affects: All...

rubygem-rack: Timing attack in cookie sessions

Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving an HMAC comparison function that doe...

Moderate: Red Hat Security Advisory: Subscription Asset Manager 1.2.1 update

Red Hat Subscription Asset Manager 1.2.1, which fixes several security issues, multiple bugs, and adds various enhancements, is now available. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System CVSS base scores, which...

Security: Ability to determine if username is valid via DaoAuthenticationProvider

DaoAuthenticationProvider in VMware SpringSource Spring Security before 2.0.8, 3.0.x before 3.0.8, and 3.1.x before 3.1.3 does not check the password if the user is not found, which makes the response delay shorter and might allow remote attackers to enumerate valid usernames via a series of logi...

Fedora 17 : mingw-gnutls-2.12.23-1.fc17 (2013-3438)

Version 2.12.23 released 2012-02-04 - libgnutls: Eliminated memory leak in PCKS 11 initialization. Report and fix by Sam Varshavchik. - libgnutls: Fixes in record padding parsing to prevent a timing attack. Issue reported by Kenny Patterson and Nadhem Alfardan. - libgnutls: DN variable 'T' was...

Fedora 18 : mingw-gnutls-2.12.23-1.fc18 (2013-3453)

Version 2.12.23 released 2012-02-04 - libgnutls: Eliminated memory leak in PCKS 11 initialization. Report and fix by Sam Varshavchik. - libgnutls: Fixes in record padding parsing to prevent a timing attack. Issue reported by Kenny Patterson and Nadhem Alfardan. - libgnutls: DN variable 'T' was...

gnutls: TLS CBC padding timing attack (lucky-13)

The TLS implementation in GnuTLS before 2.12.23, 3.0.x before 3.0.28, and 3.1.x before 3.1.7 does not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks...

SSL/TLS: CBC padding timing attack (lucky-13)

The TLS protocol 1.1 and 1.2 and the DTLS protocol 1.0 and 1.2, as used in OpenSSL, OpenJDK, PolarSSL, and other products, do not properly consider timing side-channel attacks on a MAC check requirement during the processing of malformed CBC padding, which allows remote attackers to conduct...

Moderate: Red Hat Security Advisory: Red Hat OpenShift Enterprise 1.1.2 update

Red Hat OpenShift Enterprise 1.1.2, which fixes several security issues, is now available. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are available for eac...

rubygem-rack: Timing attack in cookie sessions

Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving an HMAC comparison function that doe...

RHEL 5 / 6 : openssl (RHSA-2013:0587)

The remote Redhat Enterprise Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2013:0587 advisory. OpenSSL is a toolkit that implements the Secure Sockets Layer SSL v2/v3 and Transport Layer Security TLS v1 protocols, as well as a...

SSL/TLS: CBC padding timing attack (lucky-13)

The TLS protocol 1.1 and 1.2 and the DTLS protocol 1.0 and 1.2, as used in OpenSSL, OpenJDK, PolarSSL, and other products, do not properly consider timing side-channel attacks on a MAC check requirement during the processing of malformed CBC padding, which allows remote attackers to conduct...

gnutls: TLS CBC padding timing attack (lucky-13)

The TLS implementation in GnuTLS before 2.12.23, 3.0.x before 3.0.28, and 3.1.x before 3.1.7 does not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks...

gnutls security update

2.8.5-10.1 - fix CVE-2013-1619 - fix TLS-CBC timing attack 908238...

openssl security update

1.0.0-27.2 - fix for CVE-2013-0169 - SSL/TLS CBC timing attack 907589 - fix for CVE-2013-0166 - DoS in OCSP signatures checking 908052 - enable compression only if explicitly asked for or OPENSSLDEFAULTZLIB environment variable is set fixes CVE-2012-4929 857051 - use securegetenv everywhere inste...

USN-1732-1: OpenSSL vulnerabilities

Adam Langley and Wolfgang Ettlingers discovered that OpenSSL incorrectly handled certain crafted CBC data when used with AES-NI. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 12.10...

SSL/TLS: CBC padding timing attack (lucky-13)

The TLS protocol 1.1 and 1.2 and the DTLS protocol 1.0 and 1.2, as used in OpenSSL, OpenJDK, PolarSSL, and other products, do not properly consider timing side-channel attacks on a MAC check requirement during the processing of malformed CBC padding, which allows remote attackers to conduct...