PT-2011-5153 · Tor · Tor

Published 2011-12-22 · Updated 2024-06-15 · CVE-2011-4895

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 circuit building, due to a difference in the circuit setup process when Tor is configured as a bridge compared to a client.

Recommendations For Tor 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-2011-4895

OPENSUSE-SU-2024:10423-1

Affected Products

Tor

References · 28

• https://osv.dev/vulnerability/CVE-2011-4895 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10423-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2011-4895 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-4895 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-4895 · Security Note
• 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