CVE-2020-35284 Path traversal in n/a
An attacker can exploit predictable MD5 hashes to perform directory traversal and read arbitrary files from the FlamingoIM server.
- 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-2020-35284?
CVE-2020-35284 is a high-severity path traversal vulnerability in n/a, published on 26 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Flamingo (aka FlamingoIM) through 2020-09-29 allows ../ directory traversal because the only ostensibly unpredictable part of a file-transfer request is an MD5 computation; however, this computation occurs on the client side, and the computation details can be easily determined because the product's source code is available.
Weakness: CWE-22
Which versions are affected by CVE-2020-35284?
It affects 1 product.
Products include Flamingoim Project Flamingoim.
How do I fix CVE-2020-35284?
No fix has been published for CVE-2020-35284 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-2020-35284 being exploited?
There is no known exploitation of CVE-2020-35284 in the wild and no public exploit code.
Sources
Also known as GHSA-gx57-8c8v-6mj6.