Input validation error in Glibc - CVE-2014-5119

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Off-by-one error in the __gconv_translit_find function in gconv_trans.c in GNU C Library (aka glibc) allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via vectors related to the CHARSET environment variable and gconv transliteration modules.

Remediation

External links

• http://googleprojectzero.blogspot.com/2014/08/the-poisoned-nul-byte-2014-edition.html
• http://linux.oracle.com/errata/ELSA-2015-0092.html
• http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00017.html
• http://rhn.redhat.com/errata/RHSA-2014-1118.html
• http://seclists.org/fulldisclosure/2014/Aug/69
• http://secunia.com/advisories/60345
• http://secunia.com/advisories/60358
• http://secunia.com/advisories/60441
• http://secunia.com/advisories/61074
• http://secunia.com/advisories/61093
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-5119
• http://www.debian.org/security/2014/dsa-3012
• http://www.mandriva.com/security/advisories?name=MDVSA-2014:175
• http://www.openwall.com/lists/oss-security/2014/07/14/1
• http://www.openwall.com/lists/oss-security/2014/08/13/5
• http://www.securityfocus.com/bid/68983
• http://www.securityfocus.com/bid/69738
• http://www-01.ibm.com/support/docview.wss?uid=swg21685604
• https://code.google.com/p/google-security-research/issues/detail?id=96
• https://rhn.redhat.com/errata/RHSA-2014-1110.html
• https://security.gentoo.org/glsa/201602-02
• https://sourceware.org/bugzilla/show_bug.cgi?id=17187