CVE-2016-2147

Integer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to cause a denial of service (crash) via a malformed RFC1035-encoded domain name, which triggers an out-of-bounds heap write.

Published: Feb 9, 2017
Updated: Apr 13, 2023
CVE: CVE-2016-2147
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

Severity: Medium
Score: 5
AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

CWE-190

Affected Software
References

Software	From	Fixed in
busybox / busybox	-	1.24.2.x
debian / debian_linux	8.0	8.0.x
debian / debian_linux	9.0	9.0.x
canonical / ubuntu_linux	16.04	16.04.x
canonical / ubuntu_linux	18.04	18.04.x
canonical / ubuntu_linux	18.10	18.10.x
canonical / ubuntu_linux	14.04	14.04.x

http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
http://seclists.org/fulldisclosure/2019/Jun/18
http://seclists.org/fulldisclosure/2019/Sep/7
http://seclists.org/fulldisclosure/2020/Aug/20
http://www.openwall.com/lists/oss-security/2016/03/11/16
https://busybox.net/news.html
https://git.busybox.net/busybox/commit/?id=d474ffc68290e0a83651c4432eeabfa62cd51e87
https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
https://seclists.org/bugtraq/2019/Jun/14
https://seclists.org/bugtraq/2019/Sep/7
https://security.gentoo.org/glsa/201612-04
https://usn.ubuntu.com/3935-1/

Vulnerability Database

289,697

CVE-2016-2147