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CVE-2007-4739

5.0 · MEDIUM

reprepro 1.3.0 through 2.2.3 does not properly verify signatures when updating repositories, which allows remote attackers to construct and distribute an ostensibly valid Release.gpg file by signin…

Published Sep 6, 2007debianCWE-264EPSS 1.52%

Overview

CVE-2007-4739 is a medium-severity vulnerability affecting debian reprepro. It was published on September 6, 2007 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

reprepro 1.3.0 through 2.2.3 does not properly verify signatures when updating repositories, which allows remote attackers to construct and distribute an ostensibly valid Release.gpg file by signing it with an unknown key, related to the update command.

Remediation

Check the references section for vendor advisories and patches from debian. Update reprepro 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

Refalioth.debian.org/frs/shownotes.php?release_id=1031Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=440535Refbugs.debian.org/cgi-bin/bugreport.cgi?msg=5%3Bfilename=interdiff%3Batt=1%3Bbug=440535Refosvdb.org/40172Refsecunia.com/advisories/26678Refsecunia.com/advisories/27334Refwww.debian.org/security/2007/dsa-1394Refwww.securityfocus.com/bid/25537Refalioth.debian.org/frs/shownotes.php?release_id=1031Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=440535

How CyberStrike helps

Frequently asked questions

What is CVE-2007-4739?

CVE-2007-4739 is a medium-severity vulnerability affecting debian reprepro. It was published on September 6, 2007 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2007-4739?

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-2007-4739?

Check the references section for vendor advisories and patches from debian. Update reprepro 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-2007-4739?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-4739 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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