Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-4896

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
23/12/2011
Last modified:
11/04/2025

Description

Tor before 0.2.2.24-alpha continues to use a reachable bridge that was previously configured but is not currently configured, which might allow remote attackers to obtain sensitive information about clients in opportunistic circumstances by monitoring network traffic to the bridge port.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:tor:tor:*:alpha:*:*:*:*:*:* 0.2.2.23 (including)
cpe:2.3:a:tor:tor:0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.4:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.5:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.6:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.7:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.7.3:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.8:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools