CVE-2013-1895

Name	CVE-2013-1895
Description	The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows attackers to bypass authentication via multiple authentication requests, which trigger the password hash to be overwritten.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
Debian Bugs	704030

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
python-bcrypt (PTS)	stretch	3.1.2-1	fixed
	buster	3.1.6-1	fixed
	bullseye	3.1.7-4	fixed
	bookworm, sid	3.2.0-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
python-bcrypt	source	squeeze	(not affected)
python-bcrypt	source	(unstable)	0.4-1			704030

Notes

[squeeze] - python-bcrypt <not-affected> (thread support only introduced after 0.1 release)
https://code.google.com/p/py-bcrypt/source/detail?r=b03cc5246ea21a839fd027da5616d8d470247558