Description
ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier.
Exploits (1)
exploitdb
WORKING POC
VERIFIED
by Markus Hietava · pythondoslinux
https://www.exploit-db.com/exploits/37538
References (13)
Core 13
Core References
Third Party Advisory x_refsource_confirm
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Vendor Advisory x_refsource_confirm
https://kb.isc.org/article/AA-00712
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2012/dsa-2516
Third Party Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2012-1141.html
Third Party Advisory vendor-advisory
x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2012:116
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html
Third Party Advisory x_refsource_confirm
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
Third Party Advisory vendor-advisory
x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2012:115
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2012/dsa-2519
Third Party Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1519-1
Third Party Advisory vendor-advisory
x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-201301-06.xml
Third Party Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2012-1140.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/54665
Scores
EPSS
0.2055
EPSS Percentile
95.6%
Details
CWE
CWE-119
Status
published
Products (12)
canonical/ubuntu_linux
11.04
canonical/ubuntu_linux
11.10
canonical/ubuntu_linux
12.04
debian/debian_linux
6.0
debian/debian_linux
7.0
isc/dhcp
4.1.2
isc/dhcp
4.2.0 (7 CPE variants)
isc/dhcp
4.2.1 (3 CPE variants)
isc/dhcp
4.2.2 (3 CPE variants)
isc/dhcp
4.2.3 (3 CPE variants)
... and 2 more
Published
Jul 25, 2012
Tracked Since
Feb 18, 2026