#VU33113 Input validation error in BusyBox - CVE-2011-2716
Published: July 3, 2012 / Updated: August 3, 2020
Vulnerability identifier: #VU33113
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-2716
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
BusyBox
BusyBox
Software vendor:
busybox.net
busybox.net
Description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
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.
Remediation
Install update from vendor's website.
External links
- http://downloads.avaya.com/css/P8/documents/100158840
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
- http://rhn.redhat.com/errata/RHSA-2012-0810.html
- http://seclists.org/fulldisclosure/2019/Jun/18
- http://secunia.com/advisories/45363
- http://www.busybox.net/news.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:129
- http://www.securityfocus.com/bid/48879
- https://bugs.busybox.net/show_bug.cgi?id=3979
- https://seclists.org/bugtraq/2019/Jun/14
- https://support.t-mobile.com/docs/DOC-21994