Description
Tor before 0.2.0.32 does not properly process the (1) User and (2) Group configuration options, which might allow local users to gain privileges by leveraging unintended supplementary group memberships of the Tor process.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | tor | 0.2.0.32-1 | — |
| Debian 13 | tor | 0.2.0.32-1 | — |
| Debian 12 | tor | 0.2.0.32-1 | — |
References
- 34583 third-party-advisory
- 32648 vdb-entry
- 33025 third-party-advisory
- ADV-2008-3366 vdb-entry
- tor-user-privilege-escalation(47101) vdb-entry
- http://blog.torproject.org/blog/tor-0.2.0.32-released
- GLSA-200904-11 vendor-advisory