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.

• CWE-190

• http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.htmlExploit, Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.htmlExploit, Third Party Advisory, VDB Entry
• http://seclists.org/fulldisclosure/2019/Jun/18Exploit, Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2019/Sep/7Exploit, Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2020/Aug/20Exploit, Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/03/11/16Mailing List, Patch, Third Party Advisory
• https://busybox.net/news.htmlVendor Advisory
• https://git.busybox.net/busybox/commit/?id=d474ffc68290e0a83651c4432eeabfa62cd51e87Patch, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2018/07/msg00037.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/02/msg00020.htmlMailing List, Third Party Advisory
• https://seclists.org/bugtraq/2019/Jun/14Exploit, Mailing List, Third Party Advisory
• https://seclists.org/bugtraq/2019/Sep/7Exploit, Mailing List, Third Party Advisory
• https://security.gentoo.org/glsa/201612-04Third Party Advisory
• https://usn.ubuntu.com/3935-1/Third Party Advisory
• http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.htmlExploit, Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.htmlExploit, Third Party Advisory, VDB Entry
• http://seclists.org/fulldisclosure/2019/Jun/18Exploit, Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2019/Sep/7Exploit, Mailing List, Third Party Advisory
• http://seclists.org/fulldisclosure/2020/Aug/20Exploit, Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/03/11/16Mailing List, Patch, Third Party Advisory
• https://busybox.net/news.htmlVendor Advisory
• https://git.busybox.net/busybox/commit/?id=d474ffc68290e0a83651c4432eeabfa62cd51e87Patch, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2018/07/msg00037.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/02/msg00020.htmlMailing List, Third Party Advisory
• https://seclists.org/bugtraq/2019/Jun/14Exploit, Mailing List, Third Party Advisory
• https://seclists.org/bugtraq/2019/Sep/7Exploit, Mailing List, Third Party Advisory
• https://security.gentoo.org/glsa/201612-04Third Party Advisory
• https://usn.ubuntu.com/3935-1/Third Party Advisory

Published

Feb 9, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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