CVE-2011-4868
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…
Does this matter?
Lower severity and a low EPSS score (3.41%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 6.1 MEDIUMAV:A/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 3.41% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- isc/dhcp
- Source
- cve@mitre.org
References
- http://security.gentoo.org/glsa/glsa-201301-06.xml
- https://deepthought.isc.org/article/AA-00595
- https://kb.isc.org/article/AA-00705
- https://www.isc.org/software/dhcp/advisories/cve-2011-4868Vendor Advisory
- http://security.gentoo.org/glsa/glsa-201301-06.xml
- https://deepthought.isc.org/article/AA-00595
- https://kb.isc.org/article/AA-00705
- https://www.isc.org/software/dhcp/advisories/cve-2011-4868Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.