CVE-2011-4868

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.

Category

6.1
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.93% Top 25%
Vendor Advisory gentoo.org Vendor Advisory isc.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://kb.isc.org/article/AA-00705
https://www.isc.org/software/dhcp/advisories/cve-2011-4868 vendor advisory
https://deepthought.isc.org/article/AA-00595
http://security.gentoo.org/glsa/glsa-201301-06.xml vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-4868?
CVE-2011-4868 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4868?
To fix CVE-2011-4868, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4868 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-4868 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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