CVE-2008-3214
HIGH severity · CVSS 7.8 · Improper input validation
7.8CVSS HIGH
Summary
dnsmasq 2.25 allows remote attackers to cause a denial of service (daemon crash) by (1) renewing a nonexistent lease or (2) sending a DHCPREQUEST for an IP address that is not in the same network, related to the DHCP NAK response from the daemon.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)3%
AV:N/AC:L/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://freshmeat.net/projects/dnsmasq/?branch_id=1991&release_id=217681
- http://www.openwall.com/lists/oss-security/2008/06/30/7
- http://www.openwall.com/lists/oss-security/2008/07/01/8
- http://www.openwall.com/lists/oss-security/2008/07/02/4
- http://www.openwall.com/lists/oss-security/2008/07/03/4
- http://www.openwall.com/lists/oss-security/2008/07/08/8
- http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
- http://www.openwall.com/lists/oss-security/2008/07/12/3Exploit