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CVE-2013-0198

5.0 · MEDIUM

Dnsmasq before 2.66test2, when used with certain libvirt configurations, replies to queries from prohibited interfaces, which allows remote attackers to cause a denial of service (traffic amplifica…

Published Mar 5, 2013thekelleysCWE-20EPSS 2.79%

Overview

CVE-2013-0198 is a medium-severity vulnerability affecting thekelleys dnsmasq. It was published on March 5, 2013 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Dnsmasq before 2.66test2, when used with certain libvirt configurations, replies to queries from prohibited interfaces, which allows remote attackers to cause a denial of service (traffic amplification) via spoofed TCP based DNS queries. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-3411.

Remediation

Check the references section for vendor advisories and patches from thekelleys. Update dnsmasq to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
thekelleysdnsmasq0Affected

References

Refwww.mandriva.com/security/advisories?name=MDVSA-2013:072Refwww.openwall.com/lists/oss-security/2013/01/18/2Refwww.openwall.com/lists/oss-security/2013/01/18/7Refwww.thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=22ce550e5346947a12a781ed0959a7b1165d0dc6Refbugzilla.redhat.com/show_bug.cgi?id=894486Refwww.mandriva.com/security/advisories?name=MDVSA-2013:072Refwww.openwall.com/lists/oss-security/2013/01/18/2Refwww.openwall.com/lists/oss-security/2013/01/18/7Refwww.thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=22ce550e5346947a12a781ed0959a7b1165d0dc6Refbugzilla.redhat.com/show_bug.cgi?id=894486

How CyberStrike helps

Frequently asked questions

What is CVE-2013-0198?

CVE-2013-0198 is a medium-severity vulnerability affecting thekelleys dnsmasq. It was published on March 5, 2013 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2013-0198?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-0198?

Check the references section for vendor advisories and patches from thekelleys. Update dnsmasq to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-0198?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-0198 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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