PT-2011-5152 · Tor · Tor

Published 2011-12-22 · Updated 2024-06-15 · CVE-2011-4894

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Tor versions prior to 0.2.2.34

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

Recommendations For versions prior to 0.2.2.34, update to version 0.2.2.34 or later to resolve the issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2011-4894

OPENSUSE-SU-2024:10423-1

Affected Products

Tor

References · 28

• https://nvd.nist.gov/vuln/detail/CVE-2011-4894 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2011-4894 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10423-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-4894 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2011-4894 · Vendor Advisory
• https://blog.torproject.org/blog/tor-02234-released-security-patches · Vendor Advisory
• https://suse.com/security/cve/CVE-2011-4897 · Note
• https://suse.com/security/cve/CVE-2011-4895 · Note
• https://suse.com/security/cve/CVE-2015-2928 · Note
• https://suse.com/security/cve/CVE-2012-3517 · Note
• https://suse.com/security/cve/CVE-2012-4419 · Note
• https://suse.com/security/cve/CVE-2011-2778 · Note
• https://suse.com/security/cve/CVE-2015-2688 · Note
• https://suse.com/security/cve/CVE-2014-0160 · Note
• https://suse.com/security/cve/CVE-2012-5573 · Note