9.3
CVSSv2

CVE-2007-6263

Published: 06/12/2007 Updated: 15/09/2009
CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6
VMScore: 828
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Summary

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 malicious users 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.

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netkit-ftp netkit ftp 0.17

Vendor Advisories

Debian Bug report logs - #454733 linux-ftpd-ssl: CVE-2007-6263 remote denial of service Package: linux-ftpd-ssl; Maintainer for linux-ftpd-ssl is Mats Erik Andersson <matsandersson@gisladiskerse>; Reported by: Nico Golde <nion@debianorg> Date: Fri, 7 Dec 2007 12:48:07 UTC Severity: grave Tags: patch, security Fo ...