CVE-2021-44144 Asterix Heap-based Buffer Overflow
A heap-based buffer over-read in Croatia Control Asterix allows potential memory disclosure or crashes, requiring vendor attention.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-44144?
CVE-2021-44144 is a critical memory corruption vulnerability in n/a, published on 22 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Croatia Control Asterix 2.8.1 has a heap-based buffer over-read, with additional details to be disclosed at a later date.
Weakness: CWE-125
Which versions are affected by CVE-2021-44144?
3 open source packages ship an affected version, including asterix-decoder and asterix_decoder. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
asterix-decoder PyPI | All versions | 0.7.2 |
asterix-decoder PyPI | All versions | 0.7.2 |
asterix_decoder PyPI | All versions | 0.7.2 |
Products include Crocontrol Asterix.
How do I fix CVE-2021-44144?
Upgrade asterix-decoder to 0.7.2 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-44144 being exploited?
There is no known exploitation of CVE-2021-44144 in the wild and no public exploit code.
Sources
Also known as GHSA-6mmf-v5q7-vw2w, PYSEC-2021-860.