| 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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, 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) | jessie, jessie (lts) | 1:1.22.0-9+deb8u5 | fixed |
| stretch (security), stretch (lts), stretch | 1:1.22.0-19+deb9u2 | fixed |
| buster | 1:1.30.1-4 | fixed |
| bullseye | 1:1.30.1-6 | fixed |
| bookworm | 1:1.35.0-4 | fixed |
| sid, trixie | 1:1.37.0-4 | 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 |
Notes
the default action script of busybox is not vulnerable to this attack
fixed in 1.20 (experimental). default script in udeb may be vulnerable.