CVE-2012-3571

Severity: medium (CVSS 6.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-07-25 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

Canonical Ubuntu Linux: 11.04, 11.10, 12.04
Debian Linux: 6.0, 7.0
ISC DHCP: 4.1.2, 4.2.0, 4.2.0-a1, 4.2.0-a2, 4.2.0-b1, 4.2.0-b2 (+22)

References

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html
http://rhn.redhat.com/errata/RHSA-2012-1140.html
http://rhn.redhat.com/errata/RHSA-2012-1141.html
http://security.gentoo.org/glsa/glsa-201301-06.xml
http://www.debian.org/security/2012/dsa-2516
http://www.debian.org/security/2012/dsa-2519
http://www.mandriva.com/security/advisories?name=MDVSA-2012:115
http://www.mandriva.com/security/advisories?name=MDVSA-2012:116
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/54665
http://www.ubuntu.com/usn/USN-1519-1

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