GLSA-201203-05 : Rack: Denial of Service

Medium Nessus Plugin ID 58215


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


The remote host is affected by the vulnerability described in GLSA-201203-05 (Rack: Denial of Service)

Rack does not properly randomize hash functions to protect against hash collision attacks.
Impact :

A remote attacker could send a specially crafted form post, possibly resulting in a Denial of Service condition.
Workaround :

There is no known workaround at this time.


All Rack users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=dev-ruby/rack-1.1.3'

See Also

Plugin Details

Severity: Medium

ID: 58215

File Name: gentoo_GLSA-201203-05.nasl

Version: $Revision: 1.5 $

Type: local

Published: 2012/03/06

Modified: 2015/04/13

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 4.3

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

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:rack, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2012/03/06

Reference Information

CVE: CVE-2011-5036

BID: 51197

GLSA: 201203-05