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CVE-2012-5370

Status Candidate

Overview

JRuby computes hash values without properly restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table, as demonstrated by a universal multicollision attack against the MurmurHash2 algorithm, a different vulnerability than CVE-2011-4838.

Related Files

Red Hat Security Advisory 2013-0533-01
Posted Feb 21, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0533-01 - Security: JBoss Web Services leaked side-channel data when distributing symmetric keys, allowing a remote attacker to recover the entire plain text form of a symmetric key. Spring framework could possibly evaluate Expression Language expressions twice, allowing a remote attacker to execute arbitrary code in the context of the application server, or to obtain sensitive information from the server.

tags | advisory, remote, web, arbitrary
systems | linux, redhat
advisories | CVE-2009-5066, CVE-2011-2487, CVE-2011-2730, CVE-2011-4575, CVE-2012-0034, CVE-2012-0874, CVE-2012-3369, CVE-2012-3370, CVE-2012-5370, CVE-2012-5478
SHA-256 | d0d6dd86868163ea86659cbce4e62fa346ab23fec9600a6fe72c27a787121386
Red Hat Security Advisory 2012-1604-01
Posted Dec 22, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1604-01 - Fuse ESB Enterprise, based on Apache ServiceMix, provides an integration platform. This release of Fuse ESB Enterprise 7.1.0 serves as a replacement for Fuse ESB Enterprise 7.0.2, and includes bug fixes and enhancements.

tags | advisory
systems | linux, redhat
advisories | CVE-2011-4461, CVE-2012-5370
SHA-256 | 355e8a5fdfe3ea070ff988aa4b566b717d66a674b49dbf113cb41eb1e4e2c68c
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
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