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CVE-2008-4100

6.4 · MEDIUM

GNU adns 1.4 and earlier uses a fixed source port and sequential transaction IDs for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than…

Published Sep 18, 2008gnuCWE-16EPSS 1.49%

Overview

CVE-2008-4100 is a medium-severity vulnerability affecting gnu adns. It was published on September 18, 2008 and has a CVSS 2.0 base score of 6.4 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

GNU adns 1.4 and earlier uses a fixed source port and sequential transaction IDs for DNS requests, which makes it easier for remote attackers to spoof DNS responses, a different vulnerability than CVE-2008-1447. NOTE: the vendor reports that this is intended behavior and is compatible with the product's intended role in a trusted environment.

Remediation

Check the references section for vendor advisories and patches from gnu. Update adns 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
gnuadns0Affected

References

Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=492698Refwww.openwall.com/lists/oss-security/2008/09/11/1Refwww.openwall.com/lists/oss-security/2008/09/16/4Refwww.exploit-db.com/exploits/6197Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=492698Refwww.openwall.com/lists/oss-security/2008/09/11/1Refwww.openwall.com/lists/oss-security/2008/09/16/4Refwww.exploit-db.com/exploits/6197

How CyberStrike helps

Frequently asked questions

What is CVE-2008-4100?

CVE-2008-4100 is a medium-severity vulnerability affecting gnu adns. It was published on September 18, 2008 and has a CVSS 2.0 base score of 6.4 (MEDIUM).

How severe is CVE-2008-4100?

This vulnerability has a CVSS 2.0 base score of 6.4, 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-2008-4100?

Check the references section for vendor advisories and patches from gnu. Update adns 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-2008-4100?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-4100 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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