CVE-2023-40294 Memory corruption in n/a
A heap-based buffer overflow in the Boron library allows attackers to potentially execute arbitrary code or cause a denial of service.
- 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-2023-40294?
CVE-2023-40294 is a medium-severity memory corruption vulnerability in n/a, published on 14 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
libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_parseBlockI at i_parse_blk.c.
Weakness: CWE-787
Which versions are affected by CVE-2023-40294?
It affects 1 product.
Products include 0branch Boron.
How do I fix CVE-2023-40294?
No fix has been published for CVE-2023-40294 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-2023-40294 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-40294 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-f7wx-wcmc-w4cj.