CVE-2022-44940 Patchelf out-of-bounds read
An out-of-bounds read in Patchelf allows attackers to cause denial of service or disclose sensitive memory contents via crafted binaries.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-44940?
CVE-2022-44940 is a critical memory corruption vulnerability in n/a, published on 19 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Patchelf v0.9 was discovered to contain an out-of-bounds read via the function modifyRPath at src/patchelf.cc.
Weakness: CWE-125
Which versions are affected by CVE-2022-44940?
4 open source packages ship an affected version, including patchelf and pypatchelf. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
patchelf PyPI | All versions | 0.16.1.0 |
patchelf PyPI | All versions | 0.16.1.0 |
patchelf PyPI | All versions | 0.16.1.0 |
pypatchelf PyPI | All versions | None |
Products include Patchelf Project Patchelf.
How do I fix CVE-2022-44940?
Upgrade patchelf to 0.16.1.0 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-44940 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-44940 exists.
Sources
Also known as DEBIAN-CVE-2022-44940, ECHO-cf23-5ff7-f083, GHSA-5pcj-3m26-w633, MGASA-2023-0179, OESA-2023-1001, PYSEC-2022-43144 and 3 more.