製品・ソフトウェアに関する情報

JVN脆弱性詳細

複数の製品で使用される Webkit におけるサービス運用妨害 (DoS) の脆弱性

Title	複数の製品で使用される Webkit におけるサービス運用妨害 (DoS) の脆弱性
Summary	Google Chrome の Cascading Style Sheets (CSS) DOM の実装には、解放済みメモリの使用 (Use-after-free) により、サービス運用妨害 (DoS) 状態となるなど、不特定の影響を受ける脆弱性が存在します。本脆弱性は Webkit における脆弱性です。 Google Chrome 以外の Webkit を利用する製品も影響を受ける可能性があります。
Possible impacts	第三者により、巧妙に細工されたドキュメントを介して、サービス運用妨害 (DoS) 状態にされるなど、不特定の影響を受け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, 11:38 a.m.
Last Update	May 20, 2013, 2:02 p.m.

CVSS2.0 : 警告
Score	6.8
Vector	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected System

アップル

iOS 6.1 未満 (iPad 2 以降)

iOS 6.1 未満 (iPhone 3GS 以降)

iOS 6.1 未満 (iPod touch 第 4 世代以降)

iTunes 11.0.3 未満 (Windows)

Safari 6.0.3 未満

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)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2012-2857	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2857
National Vulnerability Database (NVD)
2	CVE-2012-2857	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-2857

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-399	https://jvndb.jvn.jp/ja/cwe/CWE-399.html

ベンダー情報

No	Name	URL
Apple Mailing Lists
1	APPLE-SA-2013-01-28-1	http://lists.apple.com/archives/security-announce/2013/Jan/msg00000.html
2	APPLE-SA-2013-03-14-2	http://lists.apple.com/archives/security-announce/2013/Mar/msg00003.html
3	APPLE-SA-2013-05-16-1	http://lists.apple.com/archives/security-announce/2013/May/msg00000.html
Apple Security Updates
4	HT5642	http://support.apple.com/kb/HT5642
5	HT5671	http://support.apple.com/kb/HT5671
6	HT5766	http://support.apple.com/kb/HT5766
Apple セキュリティアップデート
7	HT5642	http://support.apple.com/kb/HT5642?viewlocale=ja_JP
8	HT5671	http://support.apple.com/kb/HT5671?viewlocale=ja_JP
9	HT5766	http://support.apple.com/kb/HT5766?viewlocale=ja_JP
Google
10	Google Chrome	http://www.google.co.jp/chrome/intl/ja/landing_ff_yt.html?hl=ja&hl=ja
11	Stable Channel Release	http://googlechromereleases.blogspot.jp/2012/07/stable-channel-release.html

その他

No	Name	URL
JVN
1	JVNVU#92876220	http://jvn.jp/cert/JVNVU92876220/
2	JVNVU#95668478	http://jvn.jp/cert/JVNVU95668478/

Change Log

No	Changed Details	Date of change
0	[2012年08月08日] 掲載 [2013年02月06日] タイトル：内容を更新概要：内容を更新影響を受けるシステム：アップル (HT5642) の情報を追加ベンダ情報：アップル (HT5642) を追加 [2013年03月28日] 影響を受けるシステム：アップル (HT5671) の情報を追加ベンダ情報：アップル (HT5671) を追加ベンダ情報：アップル (APPLE-SA-2013-03-14-2) を追加 [2013年05月20日] 影響を受けるシステム：アップル (HT5766) の情報を追加ベンダ情報：アップル (HT5766) を追加ベンダ情報：アップル (APPLE-SA-2013-01-28-1) を追加ベンダ情報：アップル (APPLE-SA-2013-05-16-1) を追加	Feb. 17, 2018, 10:37 a.m.

NVD Vulnerability Information

CVE-2012-2857

Summary	Use-after-free vulnerability in the Cascading Style Sheets (CSS) DOM implementation 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 or possibly have unspecified other impact via a crafted document.
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.

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:o:apple:iphone_os::::::::		6.0.2
cpe:2.3:o:apple:iphone_os:6.0:::::::*
cpe:2.3:o:apple:iphone_os:6.0.1:::::::*

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::::::::

Configuration3		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::::::::

Related information, measures and tools

No	URL	refsource	タグ
1	http://code.google.com/p/chromium/issues/detail?id=136235
2	http://code.google.com/p/chromium/issues/detail?id=136235
3	http://googlechromereleases.blogspot.com/2012/07/stable-channel-release.html
4	http://googlechromereleases.blogspot.com/2012/07/stable-channel-release.html
5	http://lists.apple.com/archives/security-announce/2013/Jan/msg00000.html
6	http://lists.apple.com/archives/security-announce/2013/Jan/msg00000.html
7	http://lists.apple.com/archives/security-announce/2013/Mar/msg00003.html
8	http://lists.apple.com/archives/security-announce/2013/Mar/msg00003.html
9	http://support.apple.com/kb/HT5642
10	http://support.apple.com/kb/HT5642
11	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15336
12	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15336

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-399	リソース管理の問題	https://cwe.mitre.org/data/definitions/399.html

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::::::::

Configuration3		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::::::::