CVE-2019-9891 Command injection in n/a
Attackers can execute arbitrary commands and escalate privileges by exploiting unsafe getopt_simple usage in shell scripts executed via sudo.
- 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-2019-9891?
CVE-2019-9891 is a critical command injection vulnerability in n/a, published on 31 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The function getopt_simple as described in Advanced Bash Scripting Guide (ISBN 978-1435752184) allows privilege escalation and execution of commands when used in a shell script called, for example, via sudo.
Weakness: CWE-94
Which versions are affected by CVE-2019-9891?
It affects 1 product.
Products include Tldp Advanced Bash-Scripting Guide.
How do I fix CVE-2019-9891?
No fix has been published for CVE-2019-9891 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2019-9891 being exploited?
There is no known exploitation of CVE-2019-9891 in the wild and no public exploit code.
Sources
Also known as GHSA-m36g-m68j-vjwq.