CVE-2016-1494

Name	CVE-2016-1494
Description	The verify function in the RSA package for Python (Python-RSA) before 3.3 allows attackers to spoof signatures with a small public exponent via crafted signature padding, aka a BERserk attack.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs	809980

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
python-rsa (PTS)	buster	4.0-2	fixed
	bullseye	4.0-4	fixed
	bookworm, sid	4.8-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
python-rsa	source	jessie	3.1.4-1+deb8u1
python-rsa	source	(unstable)	3.2.3-1.1			809980

Notes

proposed fix: https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff
https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/