NVD Vulnerability Detail

CVE-2011-2503

Summary	The insert_module function in runtime/staprun/staprun_funcs.c in the systemtap runtime tool (staprun) in SystemTap before 1.6 does not properly validate a module when loading it, which allows local users to gain privileges via a race condition between the signature validation and the module initialization.
Publication Date	July 27, 2012, 4:55 a.m.
Registration Date	Jan. 28, 2021, 4:38 p.m.
Last Update	Nov. 21, 2024, 10:28 a.m.

Affected software configurations

Related information, measures and tools

No	URL	タグ
1	http://secunia.com/advisories/45377	Vendor Advisory
2	http://secunia.com/advisories/46920	Vendor Advisory
3	http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8
4	http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3
5	http://www.debian.org/security/2011/dsa-2348
6	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503
7	http://secunia.com/advisories/45377	Vendor Advisory
8	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503
9	http://www.debian.org/security/2011/dsa-2348
10	http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=commitdiff%3Bh=ed51cfa24ca27746ab09b59280b94117dd58cba3
11	http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git%3Ba=blob%3Bf=NEWS%3Bhb=304d73b1fea24af791f2a129fb141c5009eae6a8
12	http://secunia.com/advisories/46920	Vendor Advisory

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-20	不適切な入力確認	https://cwe.mitre.org/data/definitions/20.html

JVN Vulnerability Information

SystemTap の systemtap ランタイムツールにおける権限を取得される脆弱性

Title	SystemTap の systemtap ランタイムツールにおける権限を取得される脆弱性
Summary	SystemTap の systemtap ランタイムツール (staprun) の runtime/staprun/staprun_funcs.c 内の insert_module 関数は、ロードの際に、モジュールの正当性を適切に検証しないため、権限を取得される脆弱性が存在します。
Possible impacts	ローカルユーザにより、署名の検証とモジュールの初期化との間に発生する競合状態を介して、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	July 25, 2011, midnight
Registration Date	July 30, 2012, 4:06 p.m.
Last Update	July 30, 2012, 4:06 p.m.

Affected System

SystemTap

SystemTap 1.6 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-2011-2503	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2503
National Vulnerability Database (NVD)
2	CVE-2011-2503	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-2503

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-20	https://jvndb.jvn.jp/ja/cwe/CWE-20.html

ベンダー情報

No	Name	URL
Debian Security Advisory
1	DSA-2348-1	http://www.debian.org/security/2011/dsa-2348
Red Hat Bugzilla
2	Bug 716489	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2503
SystemTap
3	systemtap.git / blob	http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git;a=blob;f=NEWS;hb=304d73b1fea24af791f2a129fb141c5009eae6a8
4	systemtap.git / commitdiff	http://sources.redhat.com/git/gitweb.cgi?p=systemtap.git;a=commitdiff;h=ed51cfa24ca27746ab09b59280b94117dd58cba3

Change Log

No	Changed Details	Date of change
0	[2012年07月30日] 掲載	Feb. 17, 2018, 10:37 a.m.