CVE-2014-7844 Command injection in mailx
Remote attackers can execute arbitrary commands on systems using BSD mailx by sending a crafted email address.
- 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-2014-7844?
CVE-2014-7844 is a high-severity command injection vulnerability in Debian Debian Linux, published on 14 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via a crafted email address.
Weakness: CWE-74
Which versions are affected by CVE-2014-7844?
It affects 8 products.
Products include Bsd Mailx Project Bsd Mailx, Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus and 2 more.
How do I fix CVE-2014-7844?
Apply the vendor's patch.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2014-7844 being exploited?
There is no known exploitation of CVE-2014-7844 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2014-7844, DLA-113-1, DSA-3104-1, GHSA-v8v3-2m82-gr7p, UBUNTU-CVE-2014-7844, USN-2455-1.