Vulnerability Description
An issue was discovered in systemd 253. An attacker can modify the contents of past events in a sealed log file and then adjust the file 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."
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Systemd Project | Systemd | 253 |
Related Weaknesses (CWE)
References
- https://github.com/kastel-security/JournaldPatchThird Party Advisory
- https://github.com/kastel-security/Journald/blob/main/journald-publication.pdfTechnical Description
- https://github.com/systemd/systemd/pull/28885
- https://github.com/systemd/systemd/releasesRelease Notes
- https://github.com/kastel-security/JournaldPatchThird Party Advisory
- https://github.com/kastel-security/Journald/blob/main/journald-publication.pdfTechnical Description
- https://github.com/systemd/systemd/pull/28885
- https://github.com/systemd/systemd/releasesRelease Notes
FAQ
What is CVE-2023-31439?
CVE-2023-31439 is a vulnerability with a CVSS score of 5.3 (MEDIUM). An issue was discovered in systemd 253. An attacker can modify the contents of past events in a sealed log file and then adjust the file such that checking the integrity shows no error, despite modifi...
How severe is CVE-2023-31439?
CVE-2023-31439 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-31439?
Check the references section above for vendor advisories and patch information. Affected products include: Systemd Project Systemd.