The logging functionality in dhcpd in ISC DHCP before 4.2.3-P2, when using Dynamic DNS (DDNS) and issuing IPv6 addresses, does not properly handle the DHCPv6 lease structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets related to a lease-status update.
Published 2012-01-15 03:55:13
Updated 2016-12-03 02:59:51
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2011-4868

Probability of exploitation activity in the next 30 days: 0.63%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 76 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2011-4868

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.1
MEDIUM AV:A/AC:L/Au:N/C:N/I:N/A:C
6.5
6.9
NIST

CWE ids for CVE-2011-4868

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-4868

Products affected by CVE-2011-4868

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