CVE-2023-26266 Path traversal in n/a
AFL++ resolves fuzzing targets from the current working directory, allowing attackers to execute arbitrary code via malicious binaries.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-26266?
CVE-2023-26266 is a high-severity path traversal vulnerability in n/a, published on 21 Feb 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In AFL++ 4.05c, the CmpLog component uses the current working directory to resolve and execute unprefixed fuzzing targets, allowing code execution.
Weakness: CWE-427
Which versions are affected by CVE-2023-26266?
It affects 1 product.
Products include Afl\+\+ Project Afl\+\+.
How do I fix CVE-2023-26266?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2023-26266 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-26266 exists.
Sources
Also known as DEBIAN-CVE-2023-26266, GHSA-62wp-583h-jvfj, UBUNTU-CVE-2023-26266.