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Debian: 701 DSA-3012-1 Critical: Eglibc Buffer Overflow Attack

Tavis Ormandy discovered a heap-based buffer overflow in the transliteration module loading code in eglibc, Debian's version of the GNU C Library. As a result, an attacker who can supply a crafted destination character set argument to iconv-related character . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-3012-1 This email address is being protected from spambots. You need JavaScript enabled to view it. http://www.debian.org/security/ Florian Weimer August 27, 2014 http://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : eglibc CVE ID : CVE-2014-5119 Tavis Ormandy discovered a heap-based buffer overflow in the transliteration module loading code in eglibc, Debian's version of the GNU C Library. As a result, an attacker who can supply a crafted destination character set argument to iconv-related character conversation functions could achieve arbitrary code execution. This update removes support of loadable gconv transliteration modules. Besides the security vulnerability, the module loading code had functionality defects which prevented it from working for the intended purpose. For the stable distribution (wheezy), this problem has been fixed in version 2.13-38+deb7u4. We recommend that you upgrade your eglibc packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . Ubuntu Security Notice USN-4017-1 resolves a severe vulnerability in libc6, necessitating urgent patching to mitigate risk of exploitation.. Debian Security,Eglibc Fix,Buffer Overflow Risk. . Severity: Critical. LinuxSecurity.com Team

Aug 27, 2014 •Critical Debian