Debian Security Advisory DSA 3408-1 (gnutls26 - security update)

Published: 2015-11-30 23:00:00
CVE Author: NIST National Vulnerability Database (NVD)

CVSS Base Vector:
AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

Affected Versions:
gnutls26 on Debian Linux

Recommendations:
For the oldstable distribution (wheezy), this problem has been fixed in version 2.12.20-8+deb7u4. We recommend that you upgrade your gnutls26 Linux Distribution Packages.

Summary:
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.

Detection Method:
This check tests the installed software version using the apt Linux Distribution Package manager.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2015-8313

References:

http://www.debian.org/security/2015/dsa-3408.html

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Severity
High
CVSS Score
10.0

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