NVD Vulnerability Detail

CVE-2014-7923

Summary	The Regular Expressions package in International Components for Unicode (ICU) 52 before SVN revision 292944, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via vectors related to a look-behind expression.
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:o:redhat:enterprise_linux_desktop_supplementary:6.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_supplementary:6.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation_supplementary:6.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_server_supplementary_eus:6.6.z:::::::*

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:opensuse:opensuse:13.1:::::::*
cpe:2.3:o:opensuse:opensuse:13.2:::::::*

Configuration3		or higher	or less	more than	less than
cpe:2.3:a:icu-project:international_components_for_unicode::::::c\/c\+\+::*					55.1

Configuration4	or higher	or less	more than	less than
cpe:2.3:a:oracle:communications_messaging_server:7.0.5:::::::*
cpe:2.3:a:oracle:communications_messaging_server:8.0:::::::*

Configuration5	or higher	or less	more than	less than
cpe:2.3:o:canonical:ubuntu_linux:14.10:::::::*
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::

Configuration6		or higher	or less	more than	less than
cpe:2.3:a:google:chrome::::::::			40.0.2214.85

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://bugs.icu-project.org/trac/ticket/11370
4	http://bugs.icu-project.org/trac/ticket/11370
5	http://googlechromereleases.blogspot.com/2015/01/stable-update.html
6	http://googlechromereleases.blogspot.com/2015/01/stable-update.html
7	http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html
8	http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html
9	http://rhn.redhat.com/errata/RHSA-2015-0093.html
10	http://rhn.redhat.com/errata/RHSA-2015-0093.html
11	http://secunia.com/advisories/62383
12	http://secunia.com/advisories/62383
13	http://secunia.com/advisories/62575
14	http://secunia.com/advisories/62575
15	http://secunia.com/advisories/62665
16	http://secunia.com/advisories/62665
17	http://security.gentoo.org/glsa/glsa-201502-13.xml
18	http://security.gentoo.org/glsa/glsa-201502-13.xml
19	http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
20	http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
21	http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
22	http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
23	http://www.securityfocus.com/bid/72288
24	http://www.securityfocus.com/bid/72288
25	http://www.securitytracker.com/id/1031623
26	http://www.securitytracker.com/id/1031623
27	http://www.ubuntu.com/usn/USN-2476-1
28	http://www.ubuntu.com/usn/USN-2476-1
29	https://chromium.googlesource.com/chromium/deps/icu52/+/3af4ce5982311035e5f36803d547c0befa576c8c
30	https://chromium.googlesource.com/chromium/deps/icu52/+/3af4ce5982311035e5f36803d547c0befa576c8c
31	https://chromium.googlesource.com/chromium/deps/icu52/+/6242e2fbb36f486f2c0addd1c3cef67fc4ed33fb
32	https://chromium.googlesource.com/chromium/deps/icu52/+/6242e2fbb36f486f2c0addd1c3cef67fc4ed33fb
33	https://code.google.com/p/chromium/issues/detail?id=430353
34	https://code.google.com/p/chromium/issues/detail?id=430353
35	https://codereview.chromium.org/726973003
36	https://codereview.chromium.org/726973003
37	https://security.gentoo.org/glsa/201503-06
38	https://security.gentoo.org/glsa/201503-06
39	https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
40	https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-17	コード	https://cwe.mitre.org/data/definitions/17.html

JVN Vulnerability Information

Google Chrome で使用される International Components for Unicode の Regular Expressions パッケージ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 Regular Expressions パッケージ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 Regular Expressions パッケージには、サービス運用妨害 (メモリ破損) 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。本脆弱性は、CVE-2014-7926 とは異なる脆弱性です。補足情報 : CWE による脆弱性タイプは、CWE-17: Code (コード) と識別されています。 http://cwe.mitre.org/data/definitions/17.html
Possible impacts	第三者により、以下に関する処理を介して、サービス運用妨害 (メモリ破損) 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。 (1) zero-length quantifier (2) look-behind expression
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. 14, 2014, midnight
Registration Date	Jan. 26, 2015, 5:52 p.m.
Last Update	Nov. 6, 2015, 3:31 p.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 292944 未満

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-2014-7923	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7923
National Vulnerability Database (NVD)
2	CVE-2014-7923	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-7923

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-Other	https://www.ipa.go.jp/security/vuln/CWE.html#CWEOther

ベンダー情報

No	Name	URL
Chromium
1	chromium / chromium/deps/icu52 / 3af4ce5982311035e5f36803d547c0befa576c8c	https://chromium.googlesource.com/chromium/deps/icu52/+/3af4ce5982311035e5f36803d547c0befa576c8c
2	chromium / chromium/deps/icu52 / 6242e2fbb36f486f2c0addd1c3cef67fc4ed33fb	https://chromium.googlesource.com/chromium/deps/icu52/+/6242e2fbb36f486f2c0addd1c3cef67fc4ed33fb
Chromium Code Reviews
3	Issue 726973003	https://codereview.chromium.org/726973003
Google
4	Google Chrome	https://www.google.com/intl/ja/chrome/browser/features.html
5	Stable Channel Update	http://googlechromereleases.blogspot.jp/2015/01/stable-update.html
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	http://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11月06日] 影響を受けるシステム：ベンダ情報の更新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.