CVEvulnerability

CVE-2011-4894

4.3 MEDIUM Published 2011-12-23 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2011-12-23
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200

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.

Affected configurations

• tor tor (<= 0.2.2.33) • 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 • tor tor 0.0.7.3 • tor tor 0.0.8 • tor tor 0.0.8.1 • tor tor 0.0.9 • tor tor 0.0.9.1 • tor tor 0.0.9.2 • tor tor 0.0.9.3 • tor tor 0.0.9.4 • tor tor 0.0.9.5 • tor tor 0.0.9.6 • tor tor 0.0.9.7 • tor tor 0.0.9.8 • tor tor 0.0.9.9 • tor tor 0.0.9.10 • tor tor 0.1.0.1 • tor tor 0.1.0.2 • tor tor 0.1.0.3 • tor tor 0.1.0.4 • tor tor 0.1.0.5 • tor tor 0.1.0.6 • tor tor 0.1.0.7 • tor tor 0.1.0.8 • tor tor 0.1.0.9 • tor tor 0.1.0.10 • tor tor 0.1.0.11 • tor tor 0.1.0.12 • tor tor 0.1.0.13 • tor tor 0.1.0.14 • tor tor 0.1.0.15 • tor tor 0.1.0.16 • tor tor 0.1.0.17 • tor tor 0.1.0.18 • tor tor 0.1.0.19 • tor tor 0.1.1 • tor tor 0.1.1.1 • tor tor 0.1.1.2 • tor tor 0.1.1.3 • tor tor 0.1.1.4 • tor tor 0.1.1.5 • tor tor 0.1.1.6 • tor tor 0.1.1.7 • tor tor 0.1.1.8 • tor tor 0.1.1.9 • tor tor 0.1.1.10 • tor tor 0.1.1.11 • tor tor 0.1.1.12 • tor tor 0.1.1.13 • tor tor 0.1.1.14 • tor tor 0.1.1.15 … and 145 more

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References