CVE-2018-25103 Use-after-free vulnerabilities in lighttpd <= 1.4.50
Attackers can trigger use-after-free errors in lighttpd request parsing, potentially causing crashes or arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-25103?
CVE-2018-25103 is a medium-severity use after free vulnerability in lighttpd, published on 17 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There exists use-after-free vulnerabilities in lighttpd <= 1.4.50 request parsing which might read from invalid pointers to memory used in the same request, not from other requests.
Which versions are affected by CVE-2018-25103?
How do I fix CVE-2018-25103?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2018-25103 being exploited?
There is no known exploitation of CVE-2018-25103 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2018-25103, GHSA-844m-hq7r-wxc8, UBUNTU-CVE-2018-25103.