CVE-2009-3086

Name	CVE-2009-3086
Description	A certain algorithm in Ruby on Rails 2.1.0 through 2.2.2, and 2.3.x before 2.3.4, leaks information about the complexity of message-digest signature verification in the cookie store, which might allow remote attackers to forge a digest via multiple attempts.
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-2260-1
Debian Bugs	545063

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
rails (PTS)	jessie, jessie (lts)	2:4.1.8-1+deb8u9	fixed
	stretch (security), stretch (lts), stretch	2:4.2.7.1-1+deb9u5	fixed
	buster	2:5.2.2.1+dfsg-1+deb10u3	fixed
	buster (security)	2:5.2.2.1+dfsg-1+deb10u5	fixed
	bullseye (security), bullseye	2:6.0.3.7+dfsg-2+deb11u2	fixed
	bookworm	2:6.1.7.3+dfsg-1	fixed
	sid, trixie	2:6.1.7.3+dfsg-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
rails	source	lenny	2.1.0-7+lenny0.2		DSA-2260-1
rails	source	(unstable)	2.2.3-1	low		545063

[etch] - rails <no-dsa> (Minor issue)