Vulnerability in Isc Dhcp
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.1 (High). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.217 (97.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.217 · newest: 0.217 · change: 0.000
Affected products
- Isc Dhcp — versions 4.1-esv, 4.1.0, 4.1.1
- Canonical Ubuntu Linux — versions 10.04, 11.04, 11.10
- Debian Linux — versions 6.0, 7.0
Public proof-of-concept exploits
References
- lists.fedoraproject.org/pipermail/package-announce/2012-September/088220.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2012-09/msg00103.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-1571-1 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2012-09/msg00088.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.debian.org/security/2012/dsa-2551 (vendor-advisory, Third Party Advisory)
- secunia.com/advisories/51318 (Third Party Advisory, third-party-advisory)
- www.mandriva.com/security/advisories (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2012-September/086992.html (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/55530 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2012-October/088882.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2012-3955?
- CVE-2012-3955 is a vulnerability in Isc Dhcp. Published 2012-09-14.
- Is CVE-2012-3955 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.