CVE-2016-2147 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

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://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/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5