CVE-2020-8109 Bitdefender ace.xmd parser out-of-bounds write (VA-8772)
An out-of-bounds write in the Bitdefender ACE parser allows attackers to cause a denial of service via crafted files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8109?
CVE-2020-8109 is a medium-severity memory corruption vulnerability in Bitdefender Engines, published on 1 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been discovered in the ace.xmd parser that results from a lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. This can result in denial-of-service. This issue affects: Bitdefender Engines version 7.84892 and prior versions.
Weakness: CWE-787
Which versions are affected by CVE-2020-8109?
It affects 1 product.
Products include Bitdefender Engines.
How do I fix CVE-2020-8109?
No fix has been published for CVE-2020-8109 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-2020-8109 being exploited?
There is no known exploitation of CVE-2020-8109 in the wild and no public exploit code.
Other vulnerabilities in Bitdefender Engines
- CVE-2020-8100 Incomplete validation in detection code in Bitdefender Engines (VA-8589)
- CVE-2022-3369 Improper handling of registry symbolic links in Bitdefender Engines
- CVE-2023-3633 Out of Bounds Memory Corruption Issue in CEVA Engine
- CVE-2020-8110 Bitdefender ceva_emu.cvd module denial-of-service (VA-8766)
- CVE-2020-15731 Local Privilege Escalation in Bitdefender Engines (VA-8953)
Sources
Also known as GHSA-6xmc-rxq5-vjwm.