NVD Vulnerability Detail
Search Exploit, PoC
CVE-2011-2721
Summary

Off-by-one error in the cli_hm_scan function in matcher-hash.c in libclamav in ClamAV before 0.97.2 allows remote attackers to cause a denial of service (daemon crash) via an e-mail message that is not properly handled during certain hash calculations.

Publication Date Aug. 6, 2011, 6:55 a.m.
Registration Date Jan. 28, 2021, 4:39 p.m.
Last Update Nov. 21, 2024, 10:28 a.m.
CVSS2.0 : MEDIUM
Score 5.0
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 低
攻撃前の認証要否(Au) 不要
機密性への影響(C) なし
完全性への影響(I) なし
可用性への影響(A) 低
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:clamav:clamav:0.95.2:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.86.2:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.88.5:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.02:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.92:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.95:rc2:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.8:rc3:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.15:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90:rc2:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.75.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.65:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.88.7:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.81:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.86:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.01:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.92_p0:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.97:rc:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.85:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.84:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.3:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.91.2_p0:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.93.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90:rc1.1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.95.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.93:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.70:rc:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.86:rc1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.68.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.96.4:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.03:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.87.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.9:rc1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.74:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.93.3:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.88:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.91:rc1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.86.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.71:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.88.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.60p:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.94:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.80:rc:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.91.2:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.96.3:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90.3:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.85.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90:rc1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.96.2:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.95:src2:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.13:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.81:rc1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.10:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.94.2:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.96.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.95:src1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.80:rc3:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90.1_p0:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.12:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.88.7_p0:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.23:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.84:rc1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90.3_p1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.80:rc2:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.80:rc1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.95:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.60:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.88.2:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.83:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.20:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.80:rc4:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90:rc3:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.70:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.88.4:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90.3_p0:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.14:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.24:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.96:rc2:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90.2_p0:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.66:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.96.5:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.51:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.52:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.22:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.72:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.95:rc1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.91:rc2:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.75:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.05:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.96:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.91:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.54:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.96:rc1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.80:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.87:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.21:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* 0.97.1
cpe:2.3:a:clamav:clamav:0.84:rc2:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.88.7_p1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.67-1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.14:pre:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.91.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.95.3:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.88.3:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.97:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.67:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.92.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.90.2:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.68:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.53:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.93.2:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.88.6:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.94.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.80_rc:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.82:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.73:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
ClamAV の libclamav の cli_hm_scan 関数におけるサービス運用妨害 (DoS) の脆弱性
Title ClamAV の libclamav の cli_hm_scan 関数におけるサービス運用妨害 (DoS) の脆弱性
Summary

ClamAV の libclamav の matcher-hash.c の cli_hm_scan 関数には、一つずれエラーによるサービス運用妨害 (デーモンクラッシュ) 脆弱性が存在します。

Possible impacts 第三者により、ハッシュ計算の段階で適切に処理されていない電子メールのメッセージを介して、サービス運用妨害 (デーモンクラッシュ) 状態にされる可能性があります。
Solution

ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date Aug. 5, 2011, midnight
Registration Date March 27, 2012, 6:43 p.m.
Last Update March 27, 2012, 6:43 p.m.
Affected System
ClamAV
ClamAV 0.97.2 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 [2012年03月27日]
  掲載		 Feb. 17, 2018, 10:37 a.m.