CVE-2017-8819

Name	CVE-2017-8819
Description	In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, the replay-cache protection mechanism is ineffective for v2 onion services, aka TROVE-2017-009. An attacker can send many INTRODUCE2 cells to trigger this issue.
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)
References	DSA-4054-1
NVD severity	medium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tor (PTS)	jessie (security), jessie	0.2.5.16-1	fixed
	stretch (security), stretch	0.2.9.15-1	fixed
	buster, sid	0.3.4.8-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
tor	source	(unstable)	0.3.1.9-1	medium
tor	source	jessie	0.2.5.16-1	medium	DSA-4054-1
tor	source	stretch	0.2.9.14-1	medium	DSA-4054-1
tor	source	wheezy	(unfixed)	end-of-life

Notes

[wheezy] - tor <end-of-life> (Not supported in wheezy LTS)
https://bugs.torproject.org/24244
https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516