CVE-2008-3443

Name	CVE-2008-3443
Description	The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
References	DSA-1695-1
NVD severity	medium (attack range: remote)
Debian Bugs	494401

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ruby1.8 (PTS)	wheezy	1.8.7.358-7.1+deb7u3	fixed
	wheezy (security)	1.8.7.358-7.1+deb7u4	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ruby1.8	source	(unstable)	1.8.7.72-1	low		494401
ruby1.8	source	etch	1.8.5-4etch4	medium	DSA-1695-1
ruby1.9	source	(unstable)	1.9.0.2-9	low
ruby1.9	source	etch	1.9.0+20060609-1etch4	medium	DSA-1695-1

Notes

Upstream commits 18212 (for 1.8) and 18213 (for 1.9).
this specific problem does not exist in ruby1.9 but a very similar problem
that has been fixed in this version (308_regexp_segv.dpatch)