Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Busybox | Busybox | <= 1.24.2 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-SExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GExploitThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2019/Jun/18ExploitMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2019/Sep/7ExploitMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2020/Aug/20ExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/03/11/16Mailing ListPatchThird Party Advisory
- https://busybox.net/news.htmlVendor Advisory
- https://git.busybox.net/busybox/commit/?id=d474ffc68290e0a83651c4432eeabfa62cd51PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00037.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00020.htmlMailing ListThird Party Advisory
- https://seclists.org/bugtraq/2019/Jun/14ExploitMailing ListThird Party Advisory
- https://seclists.org/bugtraq/2019/Sep/7ExploitMailing ListThird 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-SExploitThird Party AdvisoryVDB Entry
FAQ
What is CVE-2016-2147?
CVE-2016-2147 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2016-2147?
CVE-2016-2147 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-2147?
Check the references section above for vendor advisories and patch information. Affected products include: Busybox Busybox, Debian Debian Linux, Canonical Ubuntu Linux.