CVE-2014-4975 Information

Description

Off-by-one error in the encodes function in pack.c in Ruby 1.9.3 and earlier and 2.x through 2.1.2 when using certain format string specifiers allows context-dependent attackers to cause a denial of service (segmentation fault) via vectors that trigger a stack-based buffer overflow.

Reference

http://advisories.mageia.org/MGASA-2014-0472.html http://rhn.redhat.com/errata/RHSA-2014-1912.html http://rhn.redhat.com/errata/RHSA-2014-1913.html http://rhn.redhat.com/errata/RHSA-2014-1914.html http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=46778 http://www.debian.org/security/2015/dsa-3157 http://www.mandriva.com/security/advisories?name=MDVSA-2015:129 http://www.openwall.com/lists/oss-security/2014/07/09/13 http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securityfocus.com/bid/68474 http://www.ubuntu.com/usn/USN-2397-1 https://bugs.ruby-lang.org/issues/10019 https://bugzilla.redhat.com/show_bug.cgi?id=1118158 https://exchange.xforce.ibmcloud.com/vulnerabilities/94706