CVE-2009-0050

Name	CVE-2009-0050
Description	Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.
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-1700-1
Debian Bugs	511262

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
lasso (PTS)	buster, buster (security)	2.6.0-2+deb10u1	fixed
	bullseye	2.6.1-3	fixed
	bookworm	2.8.1-1	fixed
	trixie	2.8.2-1	fixed
	sid	2.8.2-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
lasso	source	etch	0.6.5-3+etch1		DSA-1700-1
lasso	source	(unstable)	2.2.1-2			511262