FreeBSD : samba -- potential Denial of Service bug in smbd (f235fe7a-b9ca-11db-bf0f-0013720b182d)

Medium Nessus Plugin ID 24826


The remote FreeBSD host is missing one or more security-related updates.


The Samba Team reports :

Internally Samba's file server daemon, smbd, implements support for deferred file open calls in an attempt to serve client requests that would otherwise fail due to a share mode violation. When renaming a file under certain circumstances it is possible that the request is never removed from the deferred open queue. smbd will then become stuck is a loop trying to service the open request.

This bug may allow an authenticated user to exhaust resources such as memory and CPU on the server by opening multiple CIFS sessions, each of which will normally spawn a new smbd process, and sending each connection into an infinite loop.


Update the affected packages.

See Also

Plugin Details

Severity: Medium

ID: 24826

File Name: freebsd_pkg_f235fe7ab9ca11dbbf0f0013720b182d.nasl

Version: $Revision: 1.9 $

Type: local

Published: 2007/03/16

Modified: 2013/06/22

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:ja-samba, p-cpe:/a:freebsd:freebsd:samba, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 2007/03/16

Vulnerability Publication Date: 2007/02/05

Reference Information

CVE: CVE-2007-0452