NVD Vulnerability Detail
Search Exploit, PoC
CVE-2012-2849
Summary

Off-by-one error in the GIF decoder in Google Chrome before 21.0.1180.57 on Mac OS X and Linux, and before 21.0.1180.60 on Windows and Chrome Frame, allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted image.

Publication Date Aug. 7, 2012, 12:55 a.m.
Registration Date Jan. 28, 2021, 2:59 p.m.
Last Update Nov. 21, 2024, 10:39 a.m.
CVSS2.0 : MEDIUM
Score 4.3
Vector AV:N/AC:M/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) 中
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 はい
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* 21.0.1180.56
cpe:2.3:a:google:chrome:21.0.1180.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.1:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.2:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.31:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.32:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.33:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.34:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.35:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.36:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.37:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.38:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.39:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.41:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.46:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.47:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.48:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.49:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.50:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.51:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.52:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.53:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.54:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.55:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
2 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* 21.0.1180.59
cpe:2.3:a:google:chrome:21.0.1180.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.1:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.2:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.31:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.32:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.33:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.34:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.35:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.36:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.37:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.38:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.39:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.41:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.46:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.47:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.48:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.49:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.50:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.51:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.52:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.53:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.54:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.55:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.56:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:21.0.1180.57:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:a:google:frame:-:*:*:*:*:*:*:*
2 cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
Google Chrome の GIF デコーダにおけるサービス運用妨害 (DoS) の脆弱性
Title Google Chrome の GIF デコーダにおけるサービス運用妨害 (DoS) の脆弱性
Summary

Google Chrome の GIF デコーダには、一つずれエラー (Off-by-One error) により、サービス運用妨害 (out-of-bounds read) 状態となる脆弱性が存在します。

Possible impacts 第三者により、巧妙に細工された画像を介して、サービス運用妨害 (out-of-bounds read) 状態に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 July 31, 2012, midnight
Registration Date Aug. 8, 2012, 11:18 a.m.
Last Update Aug. 8, 2012, 11:18 a.m.
Affected System
Google
Google Chrome 21.0.1180.57 未満 (Mac OS X および Linux)
Google Chrome 21.0.1180.60 未満 (Windows および Chrome Frame)
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08月08日]
  掲載		 Feb. 17, 2018, 10:37 a.m.