NVD Vulnerability Detail
Search Exploit, PoC
CVE-2011-4897
Summary

Tor before 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option, uses the local hostname as the Nickname value, which allows remote attackers to obtain potentially sensitive information by reading this value.

Publication Date Dec. 23, 2011, 12:59 p.m.
Registration Date Jan. 28, 2021, 4:40 p.m.
Last Update Nov. 21, 2024, 10:33 a.m.
CVSS2.0 : MEDIUM
Score 4.3
Vector AV:N/AC:M/Au:N/C:P/I:N/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 中
攻撃前の認証要否(Au) 不要
機密性への影響(C) 低
完全性への影響(I) なし
可用性への影響(A) なし
Get all privileges. いいえ
Get user privileges いいえ
Get other privileges いいえ
User operation required いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:tor:tor:0.2.1.1.14:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.10:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.17:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.6:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.26:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.2:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.4:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.1:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.9:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.12:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.8:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.18:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.8:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.9:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.16:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.30:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.5:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.23:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.27:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.5:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.11:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.7:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.6:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9.8:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9.10:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.19:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.18:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.10:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.22:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.11:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.8:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.7:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.5:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.19:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.10:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.25:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.9:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.23:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.31:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.14:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.8:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.2:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.28:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.18:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.13:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:*:alpha:*:*:*:*:*:* 0.2.2.24
cpe:2.3:a:tor:tor:0.2.0.28:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.17:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9.5:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.12:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.5:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.35:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.16:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.17:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.26:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.17:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.8:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.1:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9.9:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.25:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.17:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.14:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.19:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.1:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.24:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.25:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.26:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.12:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.7:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.3:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.6:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.7:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.9:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.15:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.29:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.27:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.8:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.1:alpha-cvs:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.18:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.5:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.7:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.4:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.13:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.19:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.3:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.6:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.3:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.27:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.14:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.12:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.14:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.23:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.3:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.6:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.14:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.32:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.12:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.16:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.15:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.12:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.9:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.1:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.10:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.6:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.18:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9.4:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.15:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.2:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.4:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.21:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.4:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.29:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.11:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.8:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.19:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.15:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.19:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.7:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.19:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.13:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.22:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.3:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.14:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.7:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.24:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.2:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.6:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.3:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.18:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.22:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.33:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.34:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.3:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.21:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.10:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.21:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.31:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.5:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.9:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.28:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.22:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.10:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.7.3:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.8:beta:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.20:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.20:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.13:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.16:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.20:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.16:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.16:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.12:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.12:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.15:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.21:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.10:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.4:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.13:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.13:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.11:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.4:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.7:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.31:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9.7:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.1:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.20:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.23:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.17:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.3:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.7:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.11:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.10:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.4:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.2:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.26:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.23:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.20:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.18:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.5:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.25:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.24:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.0.9.6:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.9:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.13:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.15:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.2.15:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.30:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.6:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.0.11:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.11:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.17:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.29:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.12:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.2.5:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.30:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.6:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.5:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.4:*:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.1.1.8:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.0.16:alpha:*:*:*:*:*:*
cpe:2.3:a:tor:tor:0.2.1.1.9:alpha:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
Tor における重要な情報を取得される脆弱性
Title Tor における重要な情報を取得される脆弱性
Summary

Tor には、ニックネーム設定オプション無しでリレーとして構成され、ローカルホスト名をニックネームの値として使う場合、重要な情報を取得される脆弱性が存在します。

Possible impacts 第三者により、当該の値を読むことで、重要な情報を取得される可能性があります。
Solution

ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date Dec. 23, 2011, midnight
Registration Date Dec. 27, 2011, 11:17 a.m.
Last Update Dec. 27, 2011, 11:17 a.m.
Affected System
The Tor Project
Tor 0.2.2.25-alpha 未満
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
No Changed Details Date of change
0 [2011年12月27日]
  掲載		 Feb. 17, 2018, 10:37 a.m.