CVE-2018-19636 Local root exploit via inclusion of attacker controlled shell script
Local attackers can gain root privileges by placing a malicious script named ndspath in a searched directory when supportutils is run with the -A flag.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-19636?
CVE-2018-19636 is a high-severity vulnerability in SUSE supportutils, published on 5 Mar 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Supportutils, before version 3.1-5.7.1, when run with command line argument -A searched the file system for a ndspath binary. If an attacker provides one at an arbitrary location it is executed with root privileges
Which versions are affected by CVE-2018-19636?
It affects 1 product.
Products include Opensuse Supportutils.
How do I fix CVE-2018-19636?
Upgrade to a fixed version.
Is CVE-2018-19636 being exploited?
There is no known exploitation of CVE-2018-19636 in the wild and no public exploit code.
Other vulnerabilities in SUSE supportutils
- CVE-2018-19639 Code execution if run with command line switch -v
- CVE-2022-45154 supportconfig does not remove passwords in /etc/iscsi/iscsid.conf and /etc/target/lio_setup.sh
- CVE-2018-19640 Code execution if run with command line switch -v
- CVE-2018-19637 Static temporary filename allows overwriting of files
- CVE-2018-19638 User can overwrite arbitrary log files in support tar
Sources
Also known as GHSA-f264-4fj2-rjpf.