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CVE-2007-6263

9.3 · HIGH

The dataconn function in ftpd.c in netkit ftpd (netkit-ftpd) 0.17, when certain modifications to support SSL have been introduced, calls fclose on an uninitialized file stream, which allows remote…

Published Dec 6, 2007netkit-ftpCWE-20EPSS 2.48%

Overview

CVE-2007-6263 is a high-severity vulnerability affecting netkit-ftp netkit_ftp. It was published on December 6, 2007 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The dataconn function in ftpd.c in netkit ftpd (netkit-ftpd) 0.17, when certain modifications to support SSL have been introduced, calls fclose on an uninitialized file stream, which allows remote attackers to cause a denial of service (daemon crash) and possibly have unspecified other impact via some types of FTP over SSL protocol behavior, as demonstrated by breaking a passive FTP DATA connection in a way that triggers an error in the server's SSL_accept function. NOTE: the netkit ftp issue is covered by CVE-2007-5769.

Remediation

Check the references section for vendor advisories and patches from netkit-ftp. Update netkit_ftp 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

Refbugs.gentoo.org/show_bug.cgi?id=199206Refmarc.info/?l=full-disclosure&m=119704348003382&w=2Refosvdb.org/41191Refsecunia.com/advisories/28697Refwww.gentoo.org/security/en/glsa/glsa-200801-17.xmlRefwww.securityfocus.com/bid/26763Refbugs.gentoo.org/show_bug.cgi?id=199206Refmarc.info/?l=full-disclosure&m=119704348003382&w=2Refosvdb.org/41191Refsecunia.com/advisories/28697

How CyberStrike helps

Frequently asked questions

What is CVE-2007-6263?

CVE-2007-6263 is a high-severity vulnerability affecting netkit-ftp netkit_ftp. It was published on December 6, 2007 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2007-6263?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2007-6263?

Check the references section for vendor advisories and patches from netkit-ftp. Update netkit_ftp 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-2007-6263?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-6263 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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