Debian: DSA-3408-1: gnutls26 security update

Date 01 Dec 2015

Category Debian Linux Distribution - Security Advisories

469

Posted By LinuxSecurity Advisories

It was discovered that GnuTLS, a library implementing the TLS and SSL protocols, incorrectly validates the first byte of padding in CBC modes. A remote attacker can possibly take advantage of this flaw to perform a padding oracle attack.


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Debian Security Advisory DSA-3408-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                     Salvatore Bonaccorso
December 01, 2015                     https://www.debian.org/security/faq
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Package        : gnutls26
CVE ID         : CVE-2015-8313

It was discovered that GnuTLS, a library implementing the TLS and SSL
protocols, incorrectly validates the first byte of padding in CBC modes.
A remote attacker can possibly take advantage of this flaw to perform a
padding oracle attack.

For the oldstable distribution (wheezy), this problem has been fixed
in version 2.12.20-8+deb7u4.

We recommend that you upgrade your gnutls26 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/

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