CVE-2023-31438 Other in n/a

Medium 5.3 Published Updated

Attackers can modify sealed systemd logs without detection, bypassing integrity checks, though the vendor disputes this is a vulnerability.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-31438?

CVE-2023-31438 is a medium-severity vulnerability in Systemd Project Systemd, published on 13 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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."

Weakness: CWE-354

Which versions are affected by CVE-2023-31438?

It affects 1 product.

Products include Systemd Project Systemd.

How do I fix CVE-2023-31438?

No fix has been published for CVE-2023-31438 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-31438 being exploited?

There is no known exploitation of CVE-2023-31438 in the wild and no public exploit code.

All Systemd Project Systemd vulnerabilities

Sources

Also known as DEBIAN-CVE-2023-31438, GHSA-m3qw-f5f6-m6r3.

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