CVE-2025-24965 HIGH

CVE-2025-24965: .krun_config.json symlink attack creates or overwrites file on the host in crun

Vendor Containers
Product crun
Weakness CWE-22 · Path traversal
Published February 19, 2025
Last update February 19, 2025

CVSS base score

8.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

crun is an open source OCI Container Runtime fully written in C. In affected versions A malicious container image could trick the krun handler into escaping the root filesystem, allowing file creation or modification on the host. No special permissions are needed, only the ability for the current user to write to the target file. The problem is fixed in crun 1.20 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

Key dates

02Disclosure timeline

February 19, 2025 CVE published
February 19, 2025 Record updated