CVE-2012-3955
HIGH severity · CVSS 7.1
7.1CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)22%
AV:N/AC:M/Au:N/C:N/I:N/A:C
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/088882.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086992.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088220.htmlAdvisory
- http://lists.opensuse.org/opensuse-updates/2012-09/msg00088.htmlAdvisory
- http://lists.opensuse.org/opensuse-updates/2012-09/msg00103.htmlAdvisory
- http://lists.opensuse.org/opensuse-updates/2012-09/msg00105.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2013-0504.htmlAdvisory
- http://secunia.com/advisories/51318Advisory