Vulnerability Report

CVE-2012-3955

Title: Isc Dhcp Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2012-3955.

CWE Category NVD-CWE-noinfo
Published Date Sep 14, 2012
Modified Date Apr 29, 2026
Exploit Status Not Found
Score 7.1 CVSS v2.0
Exploit Probability (EPSS)
17.44%

Vulnerability Summary

CVE-2012-3955: ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the lease expiration time is later reduced.

Impacted Vendors

I
isc 1

Reference Links

http://lists.fedoraproject.org/pipermail/package-announce/2012-October/088882.html http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086992.html http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088220.html http://lists.opensuse.org/opensuse-updates/2012-09/msg00088.html http://lists.opensuse.org/opensuse-updates/2012-09/msg00103.html http://lists.opensuse.org/opensuse-updates/2012-09/msg00105.html http://rhn.redhat.com/errata/RHSA-2013-0504.html http://secunia.com/advisories/51318 http://security.gentoo.org/glsa/glsa-201301-06.xml http://www.debian.org/security/2012/dsa-2551 http://www.mandriva.com/security/advisories?name=MDVSA-2012:153 http://www.securityfocus.com/bid/55530 http://www.securitytracker.com/id?1027528 http://www.ubuntu.com/usn/USN-1571-1 https://blogs.oracle.com/sunsecurity/entry/cve_2012_3955_denial_of https://kb.isc.org/article/AA-00779 http://lists.fedoraproject.org/pipermail/package-announce/2012-October/088882.html http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086992.html http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088220.html http://lists.opensuse.org/opensuse-updates/2012-09/msg00088.html http://lists.opensuse.org/opensuse-updates/2012-09/msg00103.html http://lists.opensuse.org/opensuse-updates/2012-09/msg00105.html http://rhn.redhat.com/errata/RHSA-2013-0504.html http://secunia.com/advisories/51318 http://security.gentoo.org/glsa/glsa-201301-06.xml http://www.debian.org/security/2012/dsa-2551 http://www.mandriva.com/security/advisories?name=MDVSA-2012:153 http://www.securityfocus.com/bid/55530 http://www.securitytracker.com/id?1027528 http://www.ubuntu.com/usn/USN-1571-1 https://blogs.oracle.com/sunsecurity/entry/cve_2012_3955_denial_of https://kb.isc.org/article/AA-00779
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.1
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-3955 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

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:N/AC:M/Au:N/C:N/I:N/A:C

Affected Stack

No specific products linked.