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.

Score

CVSS 3.1 7.5 High

Status

Modified - secalert@redhat.com

Published

2017-02-09

Last modified

2024-08-05

Weaknesses

CWE-190

Affected products

• Busybox (Busybox)
• Ubuntu Linux (Canonical)
• Debian Linux (Debian)

References

• http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credenti…
• 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/