| Name | CVE-2012-4419 |
| Description | The compare_tor_addr_to_addr_policy function in or/policies.c in Tor before 0.2.2.39, and 0.2.3.x before 0.2.3.21-rc, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a zero-valued port field that is not properly handled during policy comparison. |
| 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-2548-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| tor (PTS) | bullseye (security), bullseye | 0.4.5.16-1 | fixed |
| bookworm, bookworm (security) | 0.4.7.16-1 | fixed | |
| sid, trixie | 0.4.8.13-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| tor | source | squeeze | 0.2.2.39-1 | DSA-2548-1 | ||
| tor | source | (unstable) | 0.2.3.22-rc-1 |
https://www.openwall.com/lists/oss-security/2012/09/12/5
https://gitweb.torproject.org/tor.git/blob/release-0.2.2:/ReleaseNotes
https://gitweb.torproject.org/tor.git/commitdiff/973c18bf0e84d14d8006a9ae97fde7f7fb97e404
https://gitweb.torproject.org/tor.git/commitdiff/62d96284f7e0f81c40d5df7e53dd7b4dfe7e56a5