Vulnerability in Systemd Project
CVE-2023-31438
An issue was discovered in systemd 253. An attacker can truncate a sealed log file and then resume log sealing such that checking the integrity shows no error, despite modifications. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability."
EPSS: 0.003 (25.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Systemd_project Systemd — versions 253
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Release Notes)
- cve@mitre.org (Technical Description)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org
Frequently asked questions
- What is CVE-2023-31438?
- CVE-2023-31438 is a medium-severity vulnerability in Systemd Project, classified under Improper Validation of Integrity Check Value. CVSS score: 5.3/10. Published 2023-06-13.
- How severe is CVE-2023-31438?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-31438 known to be exploited?
- 19 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.