NVD Vulnerability Detail

CVE-2011-1784

Summary	The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1) keepalived.pid, (2) checkers.pid, and (3) vrrp.pid files in /var/run/, which allows local users to kill arbitrary processes by writing a PID to one of these files.
Publication Date	May 21, 2011, 7:55 a.m.
Registration Date	Jan. 28, 2021, 4:38 p.m.
Last Update	Nov. 21, 2024, 10:27 a.m.

CVSS2.0 : LOW
Score	3.6
Vector	AV:L/AC:L/Au:N/C:N/I:P/A:P
攻撃元区分(AV)	ローカル
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)	なし
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:keepalived:keepalived:0.6.9:::::::*
cpe:2.3:a:keepalived:keepalived:0.7.1:::::::*
cpe:2.3:a:keepalived:keepalived:0.3.6:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.5:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.13:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.3:::::::*
cpe:2.3:a:keepalived:keepalived:1.0.1:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.1:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.11:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.5:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.7:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.1:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.3:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.2:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.6:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.6:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.18:::::::*
cpe:2.3:a:keepalived:keepalived:0.4.8:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.19:::::::*
cpe:2.3:a:keepalived:keepalived:0.2.7:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.8:::::::*
cpe:2.3:a:keepalived:keepalived:1.2.1:::::::*
cpe:2.3:a:keepalived:keepalived::::::::		1.2.2
cpe:2.3:a:keepalived:keepalived:0.5.3:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.10:::::::*
cpe:2.3:a:keepalived:keepalived:1.0.2:::::::*
cpe:2.3:a:keepalived:keepalived:0.3.5:::::::*
cpe:2.3:a:keepalived:keepalived:0.2.3:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.8:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.20:::::::*
cpe:2.3:a:keepalived:keepalived:1.2.0:::::::*
cpe:2.3:a:keepalived:keepalived:0.5.5:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.0:::::::*
cpe:2.3:a:keepalived:keepalived:1.0.0:::::::*
cpe:2.3:a:keepalived:keepalived:1.0.3:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.10:::::::*
cpe:2.3:a:keepalived:keepalived:0.3.7:::::::*
cpe:2.3:a:keepalived:keepalived:0.4.9:::::::*
cpe:2.3:a:keepalived:keepalived:0.5.7:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.4:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.14:::::::*
cpe:2.3:a:keepalived:keepalived:0.5.9:::::::*
cpe:2.3:a:keepalived:keepalived:0.3.8:::::::*
cpe:2.3:a:keepalived:keepalived:0.2.1:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.15:::::::*
cpe:2.3:a:keepalived:keepalived:0.5.6:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.2:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.7:::::::*
cpe:2.3:a:keepalived:keepalived:0.5.8:::::::*
cpe:2.3:a:keepalived:keepalived:0.7.6:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.12:::::::*
cpe:2.3:a:keepalived:keepalived:0.2.6:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.4:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.9:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.16:::::::*
cpe:2.3:a:keepalived:keepalived:0.4.9a:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.17:::::::*

Related information, measures and tools

No	URL	タグ
1	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626281
2	http://lists.debian.org/debian-security/2011/05/msg00012.html
3	http://lists.debian.org/debian-security/2011/05/msg00013.html
4	http://lists.debian.org/debian-security/2011/05/msg00018.html
5	http://openwall.com/lists/oss-security/2011/05/10/5
6	http://openwall.com/lists/oss-security/2011/05/16/7
7	http://secunia.com/advisories/44460	Vendor Advisory
8	http://www.osvdb.org/72380
9	http://www.securityfocus.com/bid/47859
10	https://bugzilla.redhat.com/show_bug.cgi?id=704039
11	https://exchange.xforce.ibmcloud.com/vulnerabilities/67477
12	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626281
13	https://exchange.xforce.ibmcloud.com/vulnerabilities/67477
14	https://bugzilla.redhat.com/show_bug.cgi?id=704039
15	http://www.securityfocus.com/bid/47859
16	http://www.osvdb.org/72380
17	http://secunia.com/advisories/44460	Vendor Advisory
18	http://openwall.com/lists/oss-security/2011/05/16/7
19	http://openwall.com/lists/oss-security/2011/05/10/5
20	http://lists.debian.org/debian-security/2011/05/msg00018.html
21	http://lists.debian.org/debian-security/2011/05/msg00013.html
22	http://lists.debian.org/debian-security/2011/05/msg00012.html

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

JVN Vulnerability Information

keepalived の core/pidfile.c の pidfile_write 関数における任意のプロセスを停止される脆弱性

Title	keepalived の core/pidfile.c の pidfile_write 関数における任意のプロセスを停止される脆弱性
Summary	keepalived の core/pidfile.c の pidfile_write 関数には、/var/run/ 内の (1) keepalived.pid、(2) checkers.pid、および (3) vrrp.pid ファイルに対して 0666のパーミッションを使用するため、任意のプロセスを停止される脆弱性が存在します。
Possible impacts	ローカルユーザにより、/var/run/ 内の (1) keepalived.pid、(2) checkers.pid、または (3) vrrp.pid ファイルへの PID の書き込みを介して、任意のプロセスを停止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	May 20, 2011, midnight
Registration Date	March 27, 2012, 6:43 p.m.
Last Update	March 27, 2012, 6:43 p.m.

Affected System

Keepalived

Keepalived 1.2.2 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-2011-1784	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1784
National Vulnerability Database (NVD)
2	CVE-2011-1784	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2011-1784

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
keepalived
1	Top Page	http://www.keepalived.org/

Change Log

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

Configuration1	or higher	or less	more than	less than
cpe:2.3:a:keepalived:keepalived:0.6.9:::::::*
cpe:2.3:a:keepalived:keepalived:0.7.1:::::::*
cpe:2.3:a:keepalived:keepalived:0.3.6:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.5:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.13:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.3:::::::*
cpe:2.3:a:keepalived:keepalived:1.0.1:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.1:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.11:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.5:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.7:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.1:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.3:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.2:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.6:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.6:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.18:::::::*
cpe:2.3:a:keepalived:keepalived:0.4.8:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.19:::::::*
cpe:2.3:a:keepalived:keepalived:0.2.7:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.8:::::::*
cpe:2.3:a:keepalived:keepalived:1.2.1:::::::*
cpe:2.3:a:keepalived:keepalived::::::::		1.2.2
cpe:2.3:a:keepalived:keepalived:0.5.3:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.10:::::::*
cpe:2.3:a:keepalived:keepalived:1.0.2:::::::*
cpe:2.3:a:keepalived:keepalived:0.3.5:::::::*
cpe:2.3:a:keepalived:keepalived:0.2.3:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.8:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.20:::::::*
cpe:2.3:a:keepalived:keepalived:1.2.0:::::::*
cpe:2.3:a:keepalived:keepalived:0.5.5:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.0:::::::*
cpe:2.3:a:keepalived:keepalived:1.0.0:::::::*
cpe:2.3:a:keepalived:keepalived:1.0.3:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.10:::::::*
cpe:2.3:a:keepalived:keepalived:0.3.7:::::::*
cpe:2.3:a:keepalived:keepalived:0.4.9:::::::*
cpe:2.3:a:keepalived:keepalived:0.5.7:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.4:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.14:::::::*
cpe:2.3:a:keepalived:keepalived:0.5.9:::::::*
cpe:2.3:a:keepalived:keepalived:0.3.8:::::::*
cpe:2.3:a:keepalived:keepalived:0.2.1:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.15:::::::*
cpe:2.3:a:keepalived:keepalived:0.5.6:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.2:::::::*
cpe:2.3:a:keepalived:keepalived:0.6.7:::::::*
cpe:2.3:a:keepalived:keepalived:0.5.8:::::::*
cpe:2.3:a:keepalived:keepalived:0.7.6:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.12:::::::*
cpe:2.3:a:keepalived:keepalived:0.2.6:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.4:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.9:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.16:::::::*
cpe:2.3:a:keepalived:keepalived:0.4.9a:::::::*
cpe:2.3:a:keepalived:keepalived:1.1.17:::::::*