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      Last Modified:  08/09/2007

Quick Info

CVE Dictionary Entry:
CVE-2007-3843
Original release date:
08/09/2007
Last revised:
09/28/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
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 Type Source Name
http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=246595 External Source CONFIRM http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=246595
http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.23-rc1 External Source CONFIRM 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 External Source SUSE SUSE-SA:2007:064
http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html External Source SUSE SUSE-SA:2008:006
http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm External Source CONFIRM http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm
http://www.debian.org/security/2007/dsa-1363 External Source DEBIAN DSA-1363
http://www.redhat.com/support/errata/RHSA-2007-0705.html External Source REDHAT RHSA-2007:0705
http://www.redhat.com/support/errata/RHSA-2007-0939.html External Source REDHAT RHSA-2007:0939
http://www.securityfocus.com/bid/25244 External Source BID 25244
http://www.ubuntu.com/usn/usn-510-1 External Source UBUNTU USN-510-1
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9670 External Source OVAL oval:org.mitre.oval:def:9670

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)

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