NVD Vulnerability Detail

CVE-2011-1176

Summary	The configuration merger in itk.c in the Steinar H. Gunderson mpm-itk Multi-Processing Module 2.2.11-01 and 2.2.11-02 for the Apache HTTP Server does not properly handle certain configuration sections that specify NiceValue but not AssignUserID, which might allow remote attackers to gain privileges by leveraging the root uid and root gid of an mpm-itk process.
Publication Date	March 30, 2011, 3:55 a.m.
Registration Date	Jan. 28, 2021, 4:38 p.m.
Last Update	Nov. 21, 2024, 10:25 a.m.

CVSS2.0 : MEDIUM
Score	4.3
Vector	AV:N/AC:M/Au:N/C:N/I:P/A:N
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)	低
可用性への影響(A)	なし
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:mpm-itk_project:mpm-itk:2.2.11-01:::::::*
cpe:2.3:a:mpm-itk_project:mpm-itk:2.2.11-02:::::::*
execution environment
1	cpe:2.3:a:apache:http_server::::::::

Configuration2	or higher	or less	more than	less than
cpe:2.3:o:debian:debian_linux:5.0:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*
cpe:2.3:o:debian:debian_linux:6.0:::::::*

Related information, measures and tools

No	URL	タグ
1	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=618857	Issue Tracking Patch Third Party Advisory
2	http://lists.err.no/pipermail/mpm-itk/2011-March/000393.html	Patch Third Party Advisory
3	http://lists.err.no/pipermail/mpm-itk/2011-March/000394.html	Release Notes Third Party Advisory
4	http://openwall.com/lists/oss-security/2011/03/20/1	Mailing List Third Party Advisory
5	http://openwall.com/lists/oss-security/2011/03/21/13	Mailing List Third Party Advisory
6	http://www.debian.org/security/2011/dsa-2202	Third Party Advisory
7	http://www.mandriva.com/security/advisories?name=MDVSA-2011:057	Third Party Advisory
8	http://www.securityfocus.com/bid/46953	Third Party Advisory VDB Entry
9	http://www.vupen.com/english/advisories/2011/0748	Third Party Advisory
10	http://www.vupen.com/english/advisories/2011/0749	Third Party Advisory
11	http://www.vupen.com/english/advisories/2011/0824	Third Party Advisory
12	https://exchange.xforce.ibmcloud.com/vulnerabilities/66248	Third Party Advisory VDB Entry
13	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=618857	Issue Tracking Patch Third Party Advisory
14	https://exchange.xforce.ibmcloud.com/vulnerabilities/66248	Third Party Advisory VDB Entry
15	http://www.vupen.com/english/advisories/2011/0824	Third Party Advisory
16	http://www.vupen.com/english/advisories/2011/0749	Third Party Advisory
17	http://www.vupen.com/english/advisories/2011/0748	Third Party Advisory
18	http://www.securityfocus.com/bid/46953	Third Party Advisory VDB Entry
19	http://www.mandriva.com/security/advisories?name=MDVSA-2011:057	Third Party Advisory
20	http://www.debian.org/security/2011/dsa-2202	Third Party Advisory
21	http://openwall.com/lists/oss-security/2011/03/21/13	Mailing List Third Party Advisory
22	http://openwall.com/lists/oss-security/2011/03/20/1	Mailing List Third Party Advisory
23	http://lists.err.no/pipermail/mpm-itk/2011-March/000394.html	Release Notes Third Party Advisory
24	http://lists.err.no/pipermail/mpm-itk/2011-March/000393.html	Patch Third Party Advisory

Common Vulnerabilities List

JVN Vulnerability Information

Steinar H. Gunderson mpm-itk Multi-Processing Module における権限を取得される脆弱性

Title	Steinar H. Gunderson mpm-itk Multi-Processing Module における権限を取得される脆弱性
Summary	Steinar H. Gunderson mpm-itk Multi-Processing Module の itk.c 内にある configuration merger は、NiceValue が設定されており、AssignUserID が指定されていない状態のセクション設定を適切に処理しないため、権限を取得される可能性があります。
Possible impacts	第三者により、mpm-itk の root uid および root gid を介して、権限を取得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	March 29, 2011, midnight
Registration Date	May 19, 2011, 11:04 a.m.
Last Update	May 19, 2011, 11:04 a.m.

Affected System

Apache Software Foundation

Apache HTTP Server

Steinar H. Gunderson

Steinar H. Gunderson mpm-itk Multi-Processing Module 2.2.11-01

Steinar H. Gunderson mpm-itk Multi-Processing Module 2.2.11-02

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-2011-1176	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1176
National Vulnerability Database (NVD)
2	CVE-2011-1176	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-1176

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-16	https://jvndb.jvn.jp/ja/cwe/CWE-16.html

ベンダー情報

No	Name	URL
Apache Software Foundation
1	Top Page	http://httpd.apache.org
Steinar H. Gunderson
2	The Apache 2 ITK MPM	http://mpm-itk.sesse.net
3	Top Page	http://www.sesse.net

その他

No	Name	URL
ISS X-Force Database
1	66248	http://xforce.iss.net/xforce/xfdb/66248
SecurityFocus
2	46953	http://www.securityfocus.com/bid/46953
VUPEN Security
3	VUPEN/ADV-2011-0748	http://www.vupen.com/english/advisories/2011/0748

Change Log

No	Changed Details	Date of change
0	[2011年05月19日] 掲載	Feb. 17, 2018, 10:37 a.m.