CVE-2021-3019 Path traversal in n/a
Attackers can exploit a directory traversal flaw in lanproxy to read configuration files and obtain intranet connection credentials.
- 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-2021-3019?
CVE-2021-3019 is a high-severity path traversal vulnerability in n/a, published on 5 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ffay lanproxy 0.1 allows Directory Traversal to read /../conf/config.properties to obtain credentials for a connection to the intranet.
Weakness: CWE-22
Which versions are affected by CVE-2021-3019?
It affects 1 product.
Products include Lanproxy Project Lanproxy.
How do I fix CVE-2021-3019?
No fix has been published for CVE-2021-3019 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-2021-3019 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-3019 exists.
Public exploit code: 1 Nuclei template and 7 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mm25-gp82-85xp.