NVD - CVE-2009-1072

CVE-2009-1072 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

nfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the root_squash option.

Source: MITRE
Description Last Modified: 03/24/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:C/A:N) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Complete
Availability (A): None
Additional Information:
Allows unauthorized modification

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/10/2009)

This issue has been rated as having moderate security impact. It was addressed in Red Hat Enterprise Linux 4, 5, and Red Hat Enterprise MRG, via https://rhn.redhat.com/errata/RHSA-2009-1132.html , https://rhn.redhat.com/errata/RHSA-2009-1106.html , and https://rhn.redhat.com/errata/RHSA-2009-1081.html . This issue is not planned to be fixed in Red Hat Enterprise Linux 2.1 and 3, due to these products being in Production 3 of their maintenance life-cycles, where only qualified security errata of important or critical impact are addressed. For further information about Errata Support Policy, visit: http://www.redhat.com/security/updates/errata/ .

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=76a67ec6fb79ff3570dcb5342142c16098299911	Exploit
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
http://thread.gmane.org/gmane.linux.kernel/805280	Exploit
http://www.debian.org/security/2009/dsa-1800
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9
http://www.openwall.com/lists/oss-security/2009/03/23/1
http://www.redhat.com/support/errata/RHSA-2009-1081.html
http://www.securityfocus.com/archive/1/507985/100/0/threaded
http://www.securityfocus.com/bid/34205
http://www.ubuntu.com/usn/usn-793-1
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://www.vupen.com/english/advisories/2009/0802	Vendor Advisory
http://www.vupen.com/english/advisories/2009/3316
https://exchange.xforce.ibmcloud.com/vulnerabilities/49356
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10314
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8382

References to Check Content

Identifier:: oval:org.mitre.oval:def:10314
Check System:: http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:: http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10314

Identifier:: oval:org.mitre.oval:def:8382
Check System:: http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:: http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:8382

Technical Details

Vulnerability Type (View All)

Configuration (CWE-16)

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Change History

4 change records found - show changes

CVE Modified by MITRE - 9/28/2017 9:34:09 PM

Action	Type	Old Value	New Value
Added	Reference		https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10314 [No Types Assigned]
Added	Reference		https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8382 [No Types Assigned]
Removed	Reference	http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:8382 [No Types Assigned]
Removed	Reference	http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10314 [No Types Assigned]

Quick Info

CVE Dictionary Entry:
CVE-2009-1072
NVD Published Date:
03/24/2009
NVD Last Modified:
10/10/2018

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