CVE-2020-15861 Path traversal in n/a
Net-SNMP allows privilege escalation via UNIX symbolic link following, enabling attackers to access or modify restricted files.
- 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-2020-15861?
CVE-2020-15861 is a high-severity path traversal vulnerability in Canonical Ubuntu Linux, published on 19 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Net-SNMP through 5.7.3 allows Escalation of Privileges because of UNIX symbolic link (symlink) following.
Weakness: CWE-59
Which versions are affected by CVE-2020-15861?
It affects 5 products.
Products include Canonical Ubuntu Linux, Net-Snmp Net-Snmp, Netapp Cloud Backup, Netapp Smi-S Provider, Netapp Solidfire \& Hci Management Node.
How do I fix CVE-2020-15861?
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-2020-15861 being exploited?
There is no known exploitation of CVE-2020-15861 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2020-15861, DLA-2313-1, GHSA-mfrp-422x-34qv, UBUNTU-CVE-2020-15861.