CVE-2011-4116 Path traversal in File::Temp
Attackers can exploit symlink handling flaws in Perl's File::Temp module to overwrite arbitrary files or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-4116?
CVE-2011-4116 is a low-severity path traversal vulnerability in File::Temp, published on 31 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
_is_safe in the File::Temp module for Perl does not properly handle symlinks.
Weakness: CWE-59
Which versions are affected by CVE-2011-4116?
It affects 1 product.
Products include Cpan File\.
How do I fix CVE-2011-4116?
Apply the vendor's patch.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2011-4116 being exploited?
There is no known exploitation of CVE-2011-4116 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2011-4116, GHSA-grqm-6jmc-2h46, ROOT-OS-DEBIAN-12-CVE-2011-4116.