CVE-2011-4895

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 UNKNOWN
NETWORK
MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 48%
VendorProductVersion
tortor
𝑥
≤ 0.2.2.33
tortor
0.0.2
tortor
0.0.3
tortor
0.0.4
tortor
0.0.5
tortor
0.0.6
tortor
0.0.6.1
tortor
0.0.6.2
tortor
0.0.7
tortor
0.0.7.1
tortor
0.0.7.2
tortor
0.0.7.3
tortor
0.0.8
tortor
0.0.8.1
tortor
0.0.9
tortor
0.0.9.1
tortor
0.0.9.2
tortor
0.0.9.3
tortor
0.0.9.4
tortor
0.0.9.5
tortor
0.0.9.6
tortor
0.0.9.7
tortor
0.0.9.8
tortor
0.0.9.9
tortor
0.0.9.10
tortor
0.1.0.1
tortor
0.1.0.2
tortor
0.1.0.3
tortor
0.1.0.4
tortor
0.1.0.5
tortor
0.1.0.6
tortor
0.1.0.7
tortor
0.1.0.8
tortor
0.1.0.9
tortor
0.1.0.10
tortor
0.1.0.11
tortor
0.1.0.12
tortor
0.1.0.13
tortor
0.1.0.14
tortor
0.1.0.15
tortor
0.1.0.16
tortor
0.1.0.17
tortor
0.1.0.18
tortor
0.1.0.19
tortor
0.1.1
tortor
0.1.1.1
tortor
0.1.1.1:alpha
tortor
0.1.1.2
tortor
0.1.1.2:alpha
tortor
0.1.1.3
tortor
0.1.1.3:alpha
tortor
0.1.1.4
tortor
0.1.1.4:alpha
tortor
0.1.1.5
tortor
0.1.1.5:alpha
tortor
0.1.1.6
tortor
0.1.1.6:alpha
tortor
0.1.1.7
tortor
0.1.1.7:alpha
tortor
0.1.1.8
tortor
0.1.1.8:alpha
tortor
0.1.1.9
tortor
0.1.1.9:alpha
tortor
0.1.1.10
tortor
0.1.1.10:alpha
tortor
0.1.1.11
tortor
0.1.1.12
tortor
0.1.1.13
tortor
0.1.1.14
tortor
0.1.1.15
tortor
0.1.1.16
tortor
0.1.1.17
tortor
0.1.1.18
tortor
0.1.1.19
tortor
0.1.1.20
tortor
0.1.1.21
tortor
0.1.1.22
tortor
0.1.1.23
tortor
0.1.1.25
tortor
0.1.1.26
tortor
0.1.2.1:alpha
tortor
0.1.2.1:alpha-cvs
tortor
0.1.2.2
tortor
0.1.2.3:alpha
tortor
0.1.2.4
tortor
0.1.2.5
tortor
0.1.2.5:alpha
tortor
0.1.2.6:alpha
tortor
0.1.2.7:alpha
tortor
0.1.2.8:beta
tortor
0.1.2.9
tortor
0.1.2.10
tortor
0.1.2.11
tortor
0.1.2.12
tortor
0.1.2.13
tortor
0.1.2.14
tortor
0.1.2.15
tortor
0.1.2.16
tortor
0.1.2.17
tortor
0.1.2.18
tortor
0.1.2.19
tortor
0.1.2.30
tortor
0.1.2.31
tortor
0.2.0.1:alpha
tortor
0.2.0.2:alpha
tortor
0.2.0.3:alpha
tortor
0.2.0.4:alpha
tortor
0.2.0.5:alpha
tortor
0.2.0.6:alpha
tortor
0.2.0.7:alpha
tortor
0.2.0.8:alpha
tortor
0.2.0.9:alpha
tortor
0.2.0.10:alpha
tortor
0.2.0.11:alpha
tortor
0.2.0.12:alpha
tortor
0.2.0.13:alpha
tortor
0.2.0.14:alpha
tortor
0.2.0.15:alpha
tortor
0.2.0.16:alpha
tortor
0.2.0.17:alpha
tortor
0.2.0.18:alpha
tortor
0.2.0.19:alpha
tortor
0.2.0.20:alpha
tortor
0.2.0.21:alpha
tortor
0.2.0.22:alpha
tortor
0.2.0.23:alpha
tortor
0.2.0.24:alpha
tortor
0.2.0.25:alpha
tortor
0.2.0.26:alpha
tortor
0.2.0.27:alpha
tortor
0.2.0.28:alpha
tortor
0.2.0.29
tortor
0.2.0.29:alpha
tortor
0.2.0.30
tortor
0.2.0.30:alpha
tortor
0.2.0.31
tortor
0.2.0.31:alpha
tortor
0.2.0.32:alpha
tortor
0.2.0.33
tortor
0.2.0.34:alpha
tortor
0.2.0.35
tortor
0.2.1.1:alpha
tortor
0.2.1.1.1:alpha
tortor
0.2.1.1.2:alpha
tortor
0.2.1.1.3:alpha
tortor
0.2.1.1.4:alpha
tortor
0.2.1.1.5:alpha
tortor
0.2.1.1.6:alpha
tortor
0.2.1.1.7:alpha
tortor
0.2.1.1.8:alpha
tortor
0.2.1.1.9:alpha
tortor
0.2.1.1.10:alpha
tortor
0.2.1.1.11:alpha
tortor
0.2.1.1.12
tortor
0.2.1.1.12:alpha
tortor
0.2.1.1.13
tortor
0.2.1.1.14
tortor
0.2.1.1.15
tortor
0.2.1.1.16
tortor
0.2.1.1.17
tortor
0.2.1.1.18
tortor
0.2.1.1.19
tortor
0.2.1.1.20
tortor
0.2.1.1.21
tortor
0.2.1.1.22
tortor
0.2.1.1.23
tortor
0.2.1.1.24
tortor
0.2.1.1.25
tortor
0.2.1.1.26
tortor
0.2.1.1.27
tortor
0.2.1.1.28
tortor
0.2.1.2:alpha
tortor
0.2.1.3:alpha
tortor
0.2.1.4:alpha
tortor
0.2.1.5:alpha
tortor
0.2.1.6:alpha
tortor
0.2.1.7:alpha
tortor
0.2.1.8:alpha
tortor
0.2.1.9:alpha
tortor
0.2.1.10:alpha
tortor
0.2.1.11:alpha
tortor
0.2.1.12
tortor
0.2.1.12:alpha
tortor
0.2.1.13
tortor
0.2.1.14
tortor
0.2.1.15
tortor
0.2.1.16
tortor
0.2.1.17
tortor
0.2.1.18
tortor
0.2.1.19
tortor
0.2.1.20
tortor
0.2.1.21
tortor
0.2.1.22
tortor
0.2.1.23
tortor
0.2.1.24
tortor
0.2.1.25
tortor
0.2.1.26
tortor
0.2.1.27
tortor
0.2.1.28
tortor
0.2.1.29
tortor
0.2.2.1
tortor
0.2.2.1:alpha
tortor
0.2.2.2
tortor
0.2.2.2:alpha
tortor
0.2.2.3
tortor
0.2.2.3:alpha
tortor
0.2.2.4
tortor
0.2.2.4:alpha
tortor
0.2.2.5
tortor
0.2.2.5:alpha
tortor
0.2.2.6
tortor
0.2.2.6:alpha
tortor
0.2.2.7:alpha
tortor
0.2.2.8:alpha
tortor
0.2.2.9:alpha
tortor
0.2.2.10:alpha
tortor
0.2.2.11:alpha
tortor
0.2.2.12:alpha
tortor
0.2.2.13:alpha
tortor
0.2.2.14:alpha
tortor
0.2.2.15:alpha
tortor
0.2.2.16:alpha
tortor
0.2.2.17:alpha
tortor
0.2.2.18:alpha
tortor
0.2.2.19:alpha
tortor
0.2.2.20:alpha
tortor
0.2.2.29
tortor
0.2.2.29:beta
tortor
0.2.2.32
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tor
bullseye
0.4.5.16-1
fixed
bullseye (security)
0.4.5.16-1
fixed
bookworm
0.4.7.16-1
fixed
bookworm (security)
0.4.7.16-1
fixed
sid
0.4.8.13-2
fixed
trixie
0.4.8.13-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tor
raring
not-affected
quantal
not-affected
precise
not-affected
oneiric
ignored
natty
ignored
maverick
dne
lucid
dne
hardy
ignored
Common Weakness Enumeration
References
https://blog.torproject.org/blog/tor-02234-released-security-patches
https://blog.torproject.org/blog/tor-02234-released-security-patches