CVE Database›CVE-2024-45770

CVE-2024-45770

pcp: pmpost symlink attack allows escalating pcp to root user

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · September 17, 2024

Updated · November 21, 2025

Description

A vulnerability was found in Performance Co-Pilot (PCP). This flaw can only be exploited if an attacker has access to a compromised PCP system account. The issue is related to the pmpost tool, which is used to log messages in the system. Under certain conditions, it runs with high-level privileges.

Statement

This issue is classified as Moderate rather than Important due to the specific conditions required for exploitation. Although it involves potential privilege escalation and file corruption, the vulnerability is contingent on an attacker having the ability to create symlinks within the /var/log/pcp directory. Additionally, the exploit requires pmpost to be executed as root in a particular context, which is not typical in standard operation. These prerequisites limit the likelihood and scope of the impact, making it less severe compared to vulnerabilities that could be exploited more broadly or easily by an unprivileged user.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CWE-59 · Improper Link Resolution Before File Access ('Link Following')