CVE-2013-4287

CVE Details

Release Date:	2013-09-09
Impact:	Moderate	What is this?

Description

Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.1, 1.8.24 through 1.8.25, 2.0.x before 2.0.8, and 2.1.x before 2.1.0, as used in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression.

See more information about CVE-2013-4287 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	2.6
Vector String:	AV:N/AC:H/Au:N/C:N/I:N/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	High
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (rubygems)	ELSA-2013-1441	2013-10-17