NVD Vulnerability Detail

CVE-2014-7940

Summary	The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.
Publication Date	Jan. 23, 2015, 7:59 a.m.
Registration Date	Jan. 26, 2021, 3:19 p.m.
Last Update	Nov. 21, 2024, 11:18 a.m.

CVSS2.0 : HIGH
Score	7.5
Vector	AV:N/AC:L/Au:N/C:P/I:P/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)	低
完全性への影響(I)	低
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:google:chrome::::::::			40.0.2214.85

Configuration2		or higher	or less	more than	less than
cpe:2.3:a:icu-project:international_components_for_unicode::::::c\/c\+\+::*			52.1

Related information, measures and tools

No	URL	refsource	タグ
1	http://advisories.mageia.org/MGASA-2015-0047.html
2	http://advisories.mageia.org/MGASA-2015-0047.html
3	http://googlechromereleases.blogspot.com/2015/01/stable-update.html
4	http://googlechromereleases.blogspot.com/2015/01/stable-update.html
5	http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html
6	http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html
7	http://rhn.redhat.com/errata/RHSA-2015-0093.html
8	http://rhn.redhat.com/errata/RHSA-2015-0093.html
9	http://secunia.com/advisories/62383
10	http://secunia.com/advisories/62383
11	http://secunia.com/advisories/62575
12	http://secunia.com/advisories/62575
13	http://secunia.com/advisories/62665
14	http://secunia.com/advisories/62665
15	http://security.gentoo.org/glsa/glsa-201502-13.xml
16	http://security.gentoo.org/glsa/glsa-201502-13.xml
17	http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
18	http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
19	http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
20	http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
21	http://www.securityfocus.com/bid/72288
22	http://www.securityfocus.com/bid/72288
23	http://www.securitytracker.com/id/1031623
24	http://www.securitytracker.com/id/1031623
25	http://www.ubuntu.com/usn/USN-2476-1
26	http://www.ubuntu.com/usn/USN-2476-1
27	https://chromium.googlesource.com/chromium/deps/icu/+/866ff696e9022a6000afbab516fba62cfa306075
28	https://chromium.googlesource.com/chromium/deps/icu/+/866ff696e9022a6000afbab516fba62cfa306075
29	https://chromium.googlesource.com/chromium/src.git/+/87feb77547781a22b31c423bc0d57b7dca32d5b8
30	https://chromium.googlesource.com/chromium/src.git/+/87feb77547781a22b31c423bc0d57b7dca32d5b8
31	https://code.google.com/p/chromium/issues/detail?id=433866
32	https://code.google.com/p/chromium/issues/detail?id=433866
33	https://security.gentoo.org/glsa/201503-06
34	https://security.gentoo.org/glsa/201503-06
35	https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
36	https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

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

JVN Vulnerability Information

Google Chrome で使用される International Components for Unicode の i18n/ucol.cpp の collator の実装におけるサービス運用妨害 (DoS) の脆弱性

Title	Google Chrome で使用される International Components for Unicode の i18n/ucol.cpp の collator の実装におけるサービス運用妨害 (DoS) の脆弱性
Summary	Google Chrome で使用される International Components for Unicode (ICU) の i18n/ucol.cpp の collator の実装は、データ構造のメモリを初期化しないため、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、巧妙に細工された文字列を介して、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	Nov. 26, 2014, midnight
Registration Date	Jan. 26, 2015, 5:52 p.m.
Last Update	Oct. 23, 2015, 9:49 a.m.

Affected System

オラクル

Oracle Communications Applications の Oracle Communications Messaging Server 7.0.5

Oracle Communications Applications の Oracle Communications Messaging Server 8.0

Google

Google Chrome 40.0.2214.91 未満

ICU project

ICU 52 SVN revision 293126 まで

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-2014-7940	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7940
National Vulnerability Database (NVD)
2	CVE-2014-7940	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-7940

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
Google
1	chromium / chromium/deps/icu /	https://chromium.googlesource.com/chromium/deps/icu/+/866ff696e9022a6000afbab516fba62cfa306075
2	chromium / chromium/src.git /	https://chromium.googlesource.com/chromium/src.git/+/87feb77547781a22b31c423bc0d57b7dca32d5b8
3	Google Chrome	https://www.google.com/intl/ja/chrome/browser/features.html
4	Stable Channel Update	http://googlechromereleases.blogspot.jp/2015/01/stable-update.html
International Components for Unicode
5	Top Page	http://site.icu-project.org/
Oracle Critical Patch Update
6	Oracle Critical Patch Update Advisory - October 2015	http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
7	Text Form of Oracle Critical Patch Update - October 2015 Risk Matrices	http://www.oracle.com/technetwork/topics/security/cpuoct2015verbose-2367954.html
Oracle Technology Network
8	Oracle Solaris Third Party Bulletin - April 2015	http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
Red Hat Security Advisory
9	RHSA-2015:0093	https://rhn.redhat.com/errata/RHSA-2015-0093.html
SECURITY BLOG
10	October 2015 Critical Patch Update Released	https://blogs.oracle.com/security/entry/october_2015_critical_patch_update

Change Log

No	Changed Details	Date of change
0	[2015年01月26日] 掲載 [2015年03月18日] ベンダ情報：レッドハット (RHSA-2015:0093) を追加 [2015年06月19日] ベンダ情報：オラクル (Oracle Solaris Third Party Bulletin - April 2015) を追加 [2015年10月23日] 影響を受けるシステム：ベンダ情報の追加に伴い内容を更新ベンダ情報：オラクル (Oracle Critical Patch Update Advisory - October 2015) を追加ベンダ情報：オラクル (Text Form of Oracle Critical Patch Update - October 2015 Risk Matrices) を追加ベンダ情報：オラクル (October 2015 Critical Patch Update Released) を追加	Feb. 17, 2018, 10:37 a.m.