CVE-2011-4895 — Sensitive Information Exposure in TOR

CWE-200 — Sensitive Information Exposure8 documents6 sources
Severity
4.3MEDIUMNVD
EPSS
0.3%
top 51.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Torproject TORTOR
Timeline
PublishedDec 23
Latest updateMay 17

Description

Tor before 0.2.2.34, when configured as a bridge, sets up circuits through a process different from the process used by a client, which makes it easier for remote attackers to enumerate bridges by observing circuit building.

CVSS vector

AV:N/AC:M/C:P/I:N/A:NExploitability: 8.6 | Impact: 2.9

Affected Packages2 packages

▶Debiantorproject/tor< 0.2.2.34-1+3
▶NVDtor/tor0.2.2.33+204

Patches

Patch: blog.torproject.org ↗Patch: blog.torproject.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-vv8x-qxvx-9wjx: Tor before 0↗2022-05-17
▶
CVEList
CVE-2011-4895: Tor before 0↗2011-12-23
▶
OSV
CVE-2011-4895: Tor before 0↗2011-12-23
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📋Vendor Advisories

1
Debian
CVE-2011-4895: tor - Tor before 0.2.2.34, when configured as a bridge, sets up circuits through a pro...↗2011
▶

💬Community

3
Bugzilla
CVE-2011-4894 CVE-2011-4895 CVE-2011-4896 tor various flaws [fedora-all]↗2012-01-03
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Bugzilla
CVE-2011-4894 CVE-2011-4895 CVE-2011-4896 tor various flaws [epel-all]↗2012-01-03
▶
Bugzilla
CVE-2011-4895 Tor Bridge circuit building information disclosure↗2011-12-23
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CVE-2011-4895 — Sensitive Information Exposure in TOR | cvebase