CVE-2023-40857 Memory corruption in n/a
A buffer overflow in the YARA library allows remote attackers to execute arbitrary code via the yr_execute_code function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-40857?
CVE-2023-40857 is a high-severity memory corruption vulnerability in n/a, published on 28 Aug 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Buffer Overflow vulnerability in VirusTotal yara v.4.3.2 allows a remote attacker to execute arbtirary code via the yr_execute_cod function in the exe.c component.
Weakness: CWE-787
Which versions are affected by CVE-2023-40857?
It affects 1 product.
Products include Virustotal Yara.
How do I fix CVE-2023-40857?
No fix has been published for CVE-2023-40857 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-40857 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-40857 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-wr74-v8h4-7w2f, UBUNTU-CVE-2023-40857.