Vulnerability Report

CVE-2012-3571

Title: Isc Dhcp Memory Corruption

Memory Corruption

Proof Of Concept

PoC Available for CVE-2012-3571

CWE Category CWE-119

Published Date Jul 25, 2012

Modified Date Apr 29, 2026

Exploit Status Available

Score 6.1 CVSS v2.0

Exploit Probability (EPSS)

20.55%

Vulnerability Summary

CVE-2012-3571: 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.

Impacted Vendors

isc 1

Reference Links

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 https://kb.isc.org/article/AA-00712 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 https://kb.isc.org/article/AA-00712

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.1

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:A/AC:L/Au:N/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-3571 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/37538

View Code

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

July 25, 2012 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:A/AC:L/Au:N/C:N/I:N/A:C

Affected Stack

No specific products linked.