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

high Nessus Plugin ID 82233


The remote Debian host is missing a security update.


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.


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.


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


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


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.


Upgrade the affected packages.

See Also

Plugin Details

Severity: High

ID: 82233

File Name: debian_DLA-88.nasl

Version: 1.9

Type: local

Agent: unix

Published: 3/26/2015

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information


Risk Factor: Medium

Score: 5.8


Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

Temporal Vector: 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 Ease: No known exploits are available

Patch Publication Date: 11/21/2014

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