National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2007-3843 Detail

Description

The Linux kernel before 2.6.23-rc1 checks the wrong global variable for the CIFS sec mount option, which might allow remote attackers to spoof CIFS network traffic that the client configured for security signatures, as demonstrated by lack of signing despite sec=ntlmv2i in a SetupAndX request.

Source:  MITRE
Description Last Modified:  08/09/2007

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

Vendor Statements (disclaimer)

Official Statement from Red Hat (10/18/2007)

This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1 or 3.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=246595
http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.23-rc1
http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html
http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm
http://www.debian.org/security/2007/dsa-1363
http://www.redhat.com/support/errata/RHSA-2007-0705.html
http://www.redhat.com/support/errata/RHSA-2007-0939.html
http://www.securityfocus.com/bid/25244
http://www.ubuntu.com/usn/usn-510-1
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9670

References to Check Content

Identifier:
oval:org.mitre.oval:def:9670
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9670

Technical Details

Vulnerability Type (View All)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2007-3843
NVD Published Date:
08/09/2007
NVD Last Modified:
09/28/2017