CVE-2020-25489 Heap Overflow in PyMiniRacer
A heap overflow in Sqreen PyMiniRacer allows remote attackers to potentially exploit heap corruption, leading to 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-2020-25489?
CVE-2020-25489 is a critical memory corruption vulnerability in n/a, published on 17 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A heap overflow in Sqreen PyMiniRacer (aka Python Mini Racer) before 0.3.0 allows remote attackers to potentially exploit heap corruption.
Weakness: CWE-787
Which versions are affected by CVE-2020-25489?
3 open source packages ship an affected version, including py-mini-racer. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
py-mini-racer PyPI | All versions | 0.3.0 |
py-mini-racer PyPI | All versions | 0.3.0 |
py-mini-racer PyPI | All versions | 0.3.0 |
Products include Sqreen Python Mini Racer.
How do I fix CVE-2020-25489?
Upgrade py-mini-racer to 0.3.0 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-25489 being exploited?
There is no known exploitation of CVE-2020-25489 in the wild and no public exploit code.
Sources
Also known as GHSA-vwcg-7xqw-qcxw, PYSEC-2020-93.