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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.
CVSS2.0 : 注意
Score 3.6
Vector AV:L/AC:L/Au:N/C:N/I:P/A:P
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)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
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-2011-1784
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.
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
Common Vulnerabilities List