CVE-2011-2716 Command injection in n/a
Remote attackers can execute arbitrary commands on systems using BusyBox udhcpc by sending malicious DHCP responses containing shell metacharacters.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-2716?
CVE-2011-2716 is a medium-severity command injection vulnerability in n/a, published on 3 Jul 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The DHCP client (udhcpc) in BusyBox before 1.20.0 allows remote DHCP servers to execute arbitrary commands via shell metacharacters in the (1) HOST_NAME, (2) DOMAIN_NAME, (3) NIS_DOMAIN, and (4) TFTP_SERVER_NAME host name options.
Weakness: CWE-20
Which versions are affected by CVE-2011-2716?
It affects 2 products.
Products include Busybox Busybox, T-Mobile Tm-Ac1900.
How do I fix CVE-2011-2716?
Upgrade to a fixed version.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2011-2716 being exploited?
There is no known exploitation of CVE-2011-2716 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2011-2716, GHSA-4fjg-vv5f-pmrp.