CVE-2011-4894

Tor < 0.2.2.34 - Bridge Enumeration via DirPort Connection Observation

Title source: llm
STIX 2.1

Description

Tor before 0.2.2.34, when configured as a bridge, uses direct DirPort access instead of a Tor TLS connection for a directory fetch, which makes it easier for remote attackers to enumerate bridges by observing DirPort connections.

References (1)

Core 1
Core References

Scores

EPSS 0.0162
EPSS Percentile 73.2%

Details

CWE
CWE-200
Status published
Products (47)
tor/tor 0.0.2
tor/tor 0.0.3
tor/tor 0.0.4
tor/tor 0.0.5
tor/tor 0.0.6
tor/tor 0.0.6.1
tor/tor 0.0.6.2
tor/tor 0.0.7
tor/tor 0.0.7.1
tor/tor 0.0.7.2
... and 37 more
Published Dec 23, 2011
Tracked Since Feb 18, 2026