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CVE-2016-2147

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Date: February 9, 2017

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.

Language: C

Severity Score

Related Resources (19)

https://git.busybox.net/busybox/commit/?id=d474ffc68290e0a83651c4432eeabfa62cd51e87
https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
https://busybox.net/news.html
https://usn.ubuntu.com/3935-1/
http://seclists.org/fulldisclosure/2019/Sep/7
https://nvd.nist.gov/vuln/detail/CVE-2016-2147
https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
https://security-tracker.debian.org/tracker/CVE-2016-2147
https://seclists.org/bugtraq/2019/Sep/7
https://seclists.org/bugtraq/2019/Jun/14
http://seclists.org/fulldisclosure/2020/Aug/20
https://access.redhat.com/security/cve/CVE-2016-2147
https://security.gentoo.org/glsa/201612-04
http://www.openwall.com/lists/oss-security/2016/03/11/16
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
http://seclists.org/fulldisclosure/2019/Jun/18
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-2147
https://www.mend.io/vulnerability-database/CVE-2016-2147

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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