Symlink Following Affecting pcp-system-tools package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-CENTOS7-PCPSYSTEMTOOLS-6334998
  • published29 Feb 2024
  • disclosed15 Feb 2024

Introduced: 15 Feb 2024

CVE-2023-6917  (opens in a new tab)
CWE-61  (opens in a new tab)
CWE-378  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 pcp-system-tools.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcp-system-tools package and not the pcp-system-tools package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

A vulnerability has been identified in the Performance Co-Pilot (PCP) package, stemming from the mixed privilege levels utilized by systemd services associated with PCP. While certain services operate within the confines of limited PCP user/group privileges, others are granted full root privileges. This disparity in privilege levels poses a risk when privileged root processes interact with directories or directory trees owned by unprivileged PCP users. Specifically, this vulnerability may lead to the compromise of PCP user isolation and facilitate local PCP-to-root exploits, particularly through symlink attacks. These vulnerabilities underscore the importance of maintaining robust privilege separation mechanisms within PCP to mitigate the potential for unauthorized privilege escalation.

CVSS Scores

version 3.1