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Debian Security Bug TrackerDEBIANCVE:CVE-2011-4894HistoryDec 23, 2011 - 3:59 a.m.
CVE-2011-4894
2011-12-2303:59:22
Debian Security Bug Tracker
security-tracker.debian.org
7
tor
vulnerability
directory enumeration
remote attackers
dirport connections
CVSS2
4.3
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
EPSS
0.003
Percentile
68.7%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | tor | < 0.2.2.34-1 | tor_0.2.2.34-1_all.deb |
| Debian | 11 | all | tor | < 0.2.2.34-1 | tor_0.2.2.34-1_all.deb |
| Debian | 999 | all | tor | < 0.2.2.34-1 | tor_0.2.2.34-1_all.deb |
| Debian | 13 | all | tor | < 0.2.2.34-1 | tor_0.2.2.34-1_all.deb |
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CVSS2
4.3
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
EPSS
0.003
Percentile
68.7%
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