CVE-2019-3688 squid: /usr/sbin/pinger packaged with wrong permission
An attacker with squid user access can modify the pinger binary to gain persistence and escalate privileges due to incorrect file permissions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-3688?
CVE-2019-3688 is a medium-severity vulnerability in Suse Suse Linux Enterprise Server, published on 7 Oct 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The /usr/sbin/pinger binary packaged with squid in SUSE Linux Enterprise Server 15 before and including version 4.8-5.8.1 and in SUSE Linux Enterprise Server 12 before and including 3.5.21-26.17.1 had squid:root, 0750 permissions. This allowed an attacker that compromissed the squid user to gain persistence by changing the binary
Weakness: CWE-276
Which versions are affected by CVE-2019-3688?
It affects 1 product.
Products include Suse Suse Linux Enterprise Server.
How do I fix CVE-2019-3688?
Apply the vendor's patch.
Is CVE-2019-3688 being exploited?
There is no known exploitation of CVE-2019-3688 in the wild and no public exploit code.
Other vulnerabilities in Suse Suse Linux Enterprise Server
Sources
Also known as GHSA-mx4x-652m-w4fw.