CVE-2011-4137

Name	CVE-2011-4137
Description	The verify_exists functionality in the URLField implementation in Django before 1.2.7 and 1.3.x before 1.3.1 relies on Python libraries that attempt access to an arbitrary URL with no timeout, which allows remote attackers to cause a denial of service (resource consumption) via a URL associated with (1) a slow response, (2) a completed TCP connection with no application data sent, or (3) a large amount of application data, a related issue to CVE-2011-1521.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2332-1
Debian Bugs	641405

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
python-django (PTS)	jessie, jessie (lts)	1.7.11-1+deb8u17	fixed
	stretch (security)	1:1.10.7-2+deb9u17	fixed
	stretch (lts), stretch	1:1.10.7-2+deb9u23	fixed
	buster, buster (lts)	1:1.11.29-1+deb10u12	fixed
	buster (security)	1:1.11.29-1+deb10u11	fixed
	bullseye (security), bullseye	2:2.2.28-1~deb11u2	fixed
	bookworm (security), bookworm	3:3.2.19-1+deb12u1	fixed
	sid, trixie	3:4.2.16-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
python-django	source	lenny	1.0.2-1+lenny3		DSA-2332-1
python-django	source	squeeze	1.2.3-3+squeeze2		DSA-2332-1
python-django	source	(unstable)	1.3.1-1			641405