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CVE-2007-3377

4.3 · MEDIUM

Header.pm in Net::DNS before 0.60, a Perl module, (1) generates predictable sequence IDs with a fixed increment and (2) can use the same starting ID for all child processes of a forking server, whi…

Published Jun 25, 2007nlnet_labsEPSS 2.05%

Overview

CVE-2007-3377 is a medium-severity vulnerability affecting nlnet_labs net_dns. It was published on June 25, 2007 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Header.pm in Net::DNS before 0.60, a Perl module, (1) generates predictable sequence IDs with a fixed increment and (2) can use the same starting ID for all child processes of a forking server, which allows remote attackers to spoof DNS responses, as originally reported for qpsmtp and spamassassin.

Remediation

Check the references section for vendor advisories and patches from nlnet_labs. Update net_dns 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

References

Refftp://patches.sgi.com/support/free/security/advisories/20070701-01-P.ascRefosvdb.org/37053Refrt.cpan.org/Public/Bug/Display.html?id=23961Refsecunia.com/advisories/25829Refsecunia.com/advisories/26012Refsecunia.com/advisories/26014Refsecunia.com/advisories/26055Refsecunia.com/advisories/26075Refsecunia.com/advisories/26211Refsecunia.com/advisories/26231

How CyberStrike helps

Frequently asked questions

What is CVE-2007-3377?

CVE-2007-3377 is a medium-severity vulnerability affecting nlnet_labs net_dns. It was published on June 25, 2007 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2007-3377?

This vulnerability has a CVSS 2.0 base score of 4.3, 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-2007-3377?

Check the references section for vendor advisories and patches from nlnet_labs. Update net_dns 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-2007-3377?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-3377 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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