Debian DLA-88-1 : ruby1.8 security update

High Nessus Plugin ID 82233

Synopsis

The remote Debian host is missing a security update.

Description

This update fixes multiple local and remote denial of service and remote code execute problems :

CVE-2011-0188 Properly allocate memory, to prevent arbitrary code execution or application crash. Reported by Drew Yao.

CVE-2011-2686

Reinitialize the random seed when forking to prevent CVE-2003-0900 like situations.

CVE-2011-2705 Modify PRNG state to prevent random number sequence repeatation at forked child process which has same pid. Reported by Eric Wong.

CVE-2011-4815

Fix a problem with predictable hash collisions resulting in denial of service (CPU consumption) attacks. Reported by Alexander Klink and Julian Waelde.

CVE-2014-8080

Fix REXML parser to prevent memory consumption denial of service via crafted XML documents. Reported by Willis Vandevanter.

CVE-2014-8090

Add REXML::Document#document to complement the fix for CVE-2014-8080.
Reported by Tomas Hoger.

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

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2014/11/msg00007.html

https://packages.debian.org/source/squeeze-lts/ruby1.8

Plugin Details

Severity: High

ID: 82233

File Name: debian_DLA-88.nasl

Version: 1.7

Type: local

Agent: unix

Published: 2015/03/26

Updated: 2018/07/09

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libruby1.8, p-cpe:/a:debian:debian_linux:libruby1.8-dbg, p-cpe:/a:debian:debian_linux:libtcltk-ruby1.8, p-cpe:/a:debian:debian_linux:ri1.8, p-cpe:/a:debian:debian_linux:ruby1.8, p-cpe:/a:debian:debian_linux:ruby1.8-dev, p-cpe:/a:debian:debian_linux:ruby1.8-elisp, p-cpe:/a:debian:debian_linux:ruby1.8-examples, cpe:/o:debian:debian_linux:6.0

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2014/11/21

Reference Information

CVE: CVE-2011-0188, CVE-2011-2686, CVE-2011-2705, CVE-2011-4815, CVE-2014-8080, CVE-2014-8090

BID: 46950, 46966, 49015, 51198, 70935, 71230