CVE-2020-23171 Path traversal in n/a
Unauthenticated attackers can write files to arbitrary directories in Nim-lang applications via crafted zip files containing dot-slash characters.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-23171?
CVE-2020-23171 is a medium-severity path traversal vulnerability in n/a, published on 10 Aug 2021. 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
A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to arbitrary directories via a crafted zip file with dot-slash characters included in the name of the crafted file.
Weakness: CWE-610
Which versions are affected by CVE-2020-23171?
It affects 1 product.
Products include Nim-Lang Nim-Lang.
How do I fix CVE-2020-23171?
No fix has been published for CVE-2020-23171 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-2020-23171 being exploited?
There is no known exploitation of CVE-2020-23171 in the wild and no public exploit code.
Sources
Also known as GHSA-3phc-v747-949q, UBUNTU-CVE-2020-23171.