SB2011052104 - Permissions, Privileges, and Access Controls in Keepalived

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Main Vulnerability Database SB2011052104

SB2011052104 - Permissions, Privileges, and Access Controls in Keepalived

Published: May 21, 2011 Updated: August 11, 2020

Security Bulletin ID SB2011052104
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2011-1784)

The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.

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.


Remediation

Install update from vendor's website.

References