CVE-2011-2716

Name	CVE-2011-2716
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs	635548

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
busybox (PTS)	buster	1:1.30.1-4	fixed
	bullseye	1:1.30.1-6	fixed
	bookworm, sid	1:1.35.0-4	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
busybox	source	(unstable)	1:1.20.0-3	unimportant		635548

the default action script of busybox is not vulnerable to this attack
fixed in 1.20 (experimental). default script in udeb may be vulnerable.