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JVN脆弱性詳細

util-linux の mount におけるファイル破損を誘発する脆弱性

Title	util-linux の mount におけるファイル破損を誘発する脆弱性
Summary	util-linux の mount は、mount エントリーの追加に失敗した後、/etc/mtab.tmp ファイルを削除しないため、/etc/mtab ファイルの破損を誘発する脆弱性が存在します。
Possible impacts	ローカルユーザにより、関数呼び出しを介して、/etc/mtab ファイルの破損を誘発される可能性があります。
Solution	ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date	April 9, 2011, midnight
Registration Date	March 27, 2012, 6:43 p.m.
Last Update	March 27, 2012, 6:43 p.m.

CVSS2.0 : 注意
Score	3.3
Vector	AV:L/AC:M/Au:N/C:P/I:P/A:N

Affected System

kernel.org

util-linux 2.19 およびそれ以前

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-2011-1676	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1676
National Vulnerability Database (NVD)
2	CVE-2011-1676	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-1676

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-264	https://jvndb.jvn.jp/ja/cwe/CWE-264.html

ベンダー情報

No	Name	URL
linux
1	util-linux	http://www.kernel.org/pub/linux/utils/util-linux/

Change Log

No	Changed Details	Date of change
0	[2012年03月27日] 掲載	Feb. 17, 2018, 10:37 a.m.

NVD Vulnerability Information

CVE-2011-1676

Summary	mount in util-linux 2.19 and earlier does not remove the /etc/mtab.tmp file after a failed attempt to add a mount entry, which allows local users to trigger corruption of the /etc/mtab file via multiple invocations.
Publication Date	April 10, 2011, 11:55 a.m.
Registration Date	Jan. 28, 2021, 4:38 p.m.
Last Update	Nov. 21, 2024, 10:26 a.m.

Affected software configurations

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:linux:util-linux:2.10:::::::*
cpe:2.3:a:linux:util-linux:2.5:::::::*
cpe:2.3:a:linux:util-linux:2.16:::::::*
cpe:2.3:a:linux:util-linux:2.11:::::::*
cpe:2.3:a:linux:util-linux:2.12:::::::*
cpe:2.3:a:linux:util-linux:2.17:::::::*
cpe:2.3:a:linux:util-linux:2.13:::::::*
cpe:2.3:a:linux:util-linux:2.14:::::::*
cpe:2.3:a:linux:util-linux:2.12:pre::::::
cpe:2.3:a:linux:util-linux:2.2:::::::*
cpe:2.3:a:linux:util-linux::::::::		2.19
cpe:2.3:a:linux:util-linux:2.8:::::::*
cpe:2.3:a:linux:util-linux:2.18:::::::*
cpe:2.3:a:linux:util-linux:2.7:::::::*
cpe:2.3:a:linux:util-linux:2.9:::::::*
cpe:2.3:a:linux:util-linux:2.13:pre::::::
cpe:2.3:a:linux:util-linux:2.15:::::::*

Related information, measures and tools

No	URL	タグ
1	http://openwall.com/lists/oss-security/2011/03/04/10
2	http://openwall.com/lists/oss-security/2011/03/04/11
3	http://openwall.com/lists/oss-security/2011/03/04/12
4	http://openwall.com/lists/oss-security/2011/03/04/9
5	http://openwall.com/lists/oss-security/2011/03/05/3
6	http://openwall.com/lists/oss-security/2011/03/05/7
7	http://openwall.com/lists/oss-security/2011/03/07/9
8	http://openwall.com/lists/oss-security/2011/03/14/16
9	http://openwall.com/lists/oss-security/2011/03/14/5
10	http://openwall.com/lists/oss-security/2011/03/14/7
11	http://openwall.com/lists/oss-security/2011/03/15/6
12	http://openwall.com/lists/oss-security/2011/03/22/4
13	http://openwall.com/lists/oss-security/2011/03/22/6
14	http://openwall.com/lists/oss-security/2011/03/31/3	Exploit
15	http://openwall.com/lists/oss-security/2011/03/31/4
16	http://openwall.com/lists/oss-security/2011/04/01/2
17	https://bugzilla.redhat.com/show_bug.cgi?id=688980	Exploit
18	https://exchange.xforce.ibmcloud.com/vulnerabilities/66704
19	http://openwall.com/lists/oss-security/2011/03/04/10
20	https://exchange.xforce.ibmcloud.com/vulnerabilities/66704
21	https://bugzilla.redhat.com/show_bug.cgi?id=688980	Exploit
22	http://openwall.com/lists/oss-security/2011/04/01/2
23	http://openwall.com/lists/oss-security/2011/03/31/4
24	http://openwall.com/lists/oss-security/2011/03/31/3	Exploit
25	http://openwall.com/lists/oss-security/2011/03/22/6
26	http://openwall.com/lists/oss-security/2011/03/22/4
27	http://openwall.com/lists/oss-security/2011/03/15/6
28	http://openwall.com/lists/oss-security/2011/03/14/7
29	http://openwall.com/lists/oss-security/2011/03/14/5
30	http://openwall.com/lists/oss-security/2011/03/14/16
31	http://openwall.com/lists/oss-security/2011/03/07/9
32	http://openwall.com/lists/oss-security/2011/03/05/7
33	http://openwall.com/lists/oss-security/2011/03/05/3
34	http://openwall.com/lists/oss-security/2011/03/04/9
35	http://openwall.com/lists/oss-security/2011/03/04/12
36	http://openwall.com/lists/oss-security/2011/03/04/11

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-264	認可・権限・アクセス制御	https://cwe.mitre.org/data/definitions/264.html

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:linux:util-linux:2.10:::::::*
cpe:2.3:a:linux:util-linux:2.5:::::::*
cpe:2.3:a:linux:util-linux:2.16:::::::*
cpe:2.3:a:linux:util-linux:2.11:::::::*
cpe:2.3:a:linux:util-linux:2.12:::::::*
cpe:2.3:a:linux:util-linux:2.17:::::::*
cpe:2.3:a:linux:util-linux:2.13:::::::*
cpe:2.3:a:linux:util-linux:2.14:::::::*
cpe:2.3:a:linux:util-linux:2.12:pre::::::
cpe:2.3:a:linux:util-linux:2.2:::::::*
cpe:2.3:a:linux:util-linux::::::::		2.19
cpe:2.3:a:linux:util-linux:2.8:::::::*
cpe:2.3:a:linux:util-linux:2.18:::::::*
cpe:2.3:a:linux:util-linux:2.7:::::::*
cpe:2.3:a:linux:util-linux:2.9:::::::*
cpe:2.3:a:linux:util-linux:2.13:pre::::::
cpe:2.3:a:linux:util-linux:2.15:::::::*