Input validation error in DHCP - CVE-2015-8605

 

Input validation error in DHCP - CVE-2015-8605

Published: January 15, 2016 / Updated: July 28, 2020


Vulnerability identifier: #VU32355
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-8605
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

ISC DHCP 4.x before 4.1-ESV-R12-P1, 4.2.x, and 4.3.x before 4.3.3-P1 allows remote attackers to cause a denial of service (application crash) via an invalid length field in a UDP IPv4 packet.


Affected software

DHCP
Amazon Linux AMI
Slackware Linux
Fedora
dhcp (Alpine package)
dhcp
Integrated Management Module II (IMM2)

How to mitigate CVE-2015-8605

Install update from vendor's website.

dhcp (Alpine package) - update to 4.3.3_p1-r0
Integrated Management Module II (IMM2) - update to 1AOO76I-6.00
dhcp - addressed in versions 4.3.2-7.fc22, 4.3.3-8.P1.fc23

External References

Related Security Bulletins