Ubuntu 12.04 LTS / 14.04 LTS / 15.04 : gnutls26, gnutls28 vulnerability (USN-2865-1) (SLOTH)

Medium Nessus Plugin ID 87845


The remote Ubuntu host is missing one or more security-related patches.


Karthikeyan Bhargavan and Gaetan Leurent discovered that GnuTLS incorrectly allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to view sensitive information.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected packages.

Plugin Details

Severity: Medium

ID: 87845

File Name: ubuntu_USN-2865-1.nasl

Version: $Revision: 2.10 $

Type: local

Agent: unix

Published: 2016/01/11

Modified: 2016/12/01

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 4.3

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Temporal Vector: CVSS2#E:U/RL:ND/RC:C


Base Score: 5.9

Temporal Score: 5.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:X/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libgnutls-deb0-28, p-cpe:/a:canonical:ubuntu_linux:libgnutls-openssl27, p-cpe:/a:canonical:ubuntu_linux:libgnutls26, p-cpe:/a:canonical:ubuntu_linux:libgnutlsxx27, p-cpe:/a:canonical:ubuntu_linux:libgnutlsxx28, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:15.04

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2016/01/08

Reference Information

CVE: CVE-2015-7575

OSVDB: 132305

USN: 2865-1