CVE-2019-18183 Command injection in n/a
Attackers can execute arbitrary commands via crafted delta files when the non-default delta feature is enabled in the pacman package manager.
- 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-2019-18183?
CVE-2019-18183 is a critical command injection vulnerability in Fedoraproject Fedora, published on 24 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
pacman before 5.2 is vulnerable to arbitrary command injection in lib/libalpm/sync.c in the apply_deltas() function. This can be exploited when unsigned databases are used. To exploit the vulnerability, the user must enable the non-default delta feature and retrieve an attacker-controlled crafted database and delta file.
Weakness: CWE-78
Which versions are affected by CVE-2019-18183?
It affects 2 products.
Products include Fedoraproject Fedora, Pacman Project Pacman.
How do I fix CVE-2019-18183?
No fix has been published for CVE-2019-18183 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-2019-18183 being exploited?
There is no known exploitation of CVE-2019-18183 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as GHSA-66r9-jcx4-7f35.