Resource management error in DHCP - CVE-2012-3954

 

Resource management error in DHCP - CVE-2012-3954

Published: July 25, 2012 / Updated: July 28, 2020


Vulnerability identifier: #VU32778
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-3954
CWE-ID: CWE-399
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests.


Affected software

DHCP
Amazon Linux AMI
Slackware Linux
dhcp (Alpine package)

How to mitigate CVE-2012-3954

Install update from vendor's website.

dhcp (Alpine package) - update to 4.2.4_p1-r0

External References

Related Security Bulletins