CVE-2008-3214: Input Validation
First published: Fri Jul 18 2008(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dnsmasq | =2.25 |
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Reference Links
- 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.openwall.com/lists/oss-security/2008/07/12/3
- http://freshmeat.net/projects/dnsmasq/?branch_id=1991&release_id=217681
- https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/47438
- http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
- https://exchange.xforce.ibmcloud.com/vulnerabilities/43929
Frequently Asked Questions
What is the severity of CVE-2008-3214?
CVE-2008-3214 has a medium severity as it can lead to a denial of service by crashing the dnsmasq daemon.
How do I fix CVE-2008-3214?
To fix CVE-2008-3214, upgrade dnsmasq to the latest version beyond 2.25 that addresses this vulnerability.
What systems are affected by CVE-2008-3214?
CVE-2008-3214 specifically affects dnsmasq version 2.25.
What are the attack vectors for CVE-2008-3214?
Attackers can exploit CVE-2008-3214 by renewing nonexistent leases or sending invalid DHCP requests.
Can CVE-2008-3214 be exploited remotely?
Yes, CVE-2008-3214 can be exploited remotely to cause a denial of service.
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- canonical/dnsmasq
- version/dnsmasq/2.25