CVE-2016-2147
HIGH severity · CVSS 7.5 · Integer overflow
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)8%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://www.openwall.com/lists/oss-security/2016/03/11/16 ↗
Additional information
- NVD record
- http://www.openwall.com/lists/oss-security/2016/03/11/16Patch
- https://git.busybox.net/busybox/commit/?id=d474ffc68290e0a83651c4432eeabfa62cd51e87Patch
- https://busybox.net/news.htmlAdvisory
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.htmlAdvisory
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.htmlAdvisory
- http://seclists.org/fulldisclosure/2019/Jun/18Advisory
- http://seclists.org/fulldisclosure/2019/Sep/7Advisory
- http://seclists.org/fulldisclosure/2020/Aug/20Advisory