CVE-2020-15731 Local Privilege Escalation in Bitdefender Engines (VA-8953)
An attacker can exploit improper input validation in file renaming to write arbitrary files, leading to local privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-15731?
CVE-2020-15731 is a low-severity path traversal vulnerability in Bitdefender Engines, published on 30 Sep 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An improper Input Validation vulnerability in the code handling file renaming and recovery in Bitdefender Engines allows an attacker to write an arbitrary file in a location hardcoded in a specially-crafted malicious file name. This issue affects: Bitdefender Engines versions prior to 7.85448.
Weakness: CWE-20
Which versions are affected by CVE-2020-15731?
It affects 1 product.
Products include Bitdefender Engines.
How do I fix CVE-2020-15731?
No fix has been published for CVE-2020-15731 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-15731 being exploited?
There is no known exploitation of CVE-2020-15731 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-2020-8109 Bitdefender ace.xmd parser out-of-bounds write (VA-8772)
Sources
Also known as GHSA-ghcw-jqxh-fxcc.