CVE-2012-2739 Information

Description

Oracle Java SE before 7 Update 6 and OpenJDK 7 before 7u6 build 12 and 8 before build 39 computes hash values without 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.

Reference

http://armoredbarista.blogspot.de/2012/02/investigating-hashdos-issue.html http://mail.openjdk.java.net/pipermail/core-libs-dev/2012-May/010238.html http://www.kb.cert.org/vuls/id/903934 http://www.nruns.com/_downloads/advisory28122011.pdf http://www.ocert.org/advisories/ocert-2011-003.html http://www.openwall.com/lists/oss-security/2012/06/15/12 http://www.openwall.com/lists/oss-security/2012/06/17/1 https://bugzilla.redhat.com/show_bug.cgi?id=750533