Description
Tor before 0.1.1.20 allows remote attackers to identify hidden services via a malicious Tor server that attempts a large number of accesses of the hidden service, which eventually causes a circuit to be built through the malicious server.
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 | 0.1.1.11-alpha-1 | — |
| Debian 13 | tor | 0.1.1.11-alpha-1 | — |
| Debian 12 | tor | 0.1.1.11-alpha-1 | — |
References
- 19795 vdb-entry
- 18576 third-party-advisory
- tor-service-information-disclosure(24285) vdb-entry
- 18323 vdb-entry
- 22689 vdb-entry
- 20514 third-party-advisory
- GLSA-200606-04 vendor-advisory
- http://tor.eff.org/cvs/tor/ChangeLog
- http://archives.seul.org/or/announce/Jan-2006/msg00001.html