National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-1072 Detail

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      Last Modified:  03/24/2009

Quick Info

CVE Dictionary Entry:
CVE-2009-1072
Original release date:
03/24/2009
Last revised:
09/28/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.9 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:N/I:C/A:N) (legend)
Impact Subscore:
6.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
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 Type Source Name
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=76a67ec6fb79ff3570dcb5342142c16098299911 Exploit External Source CONFIRM http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=76a67ec6fb79ff3570dcb5342142c16098299911
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00007.html External Source SUSE SUSE-SA:2009:021
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html External Source SUSE SUSE-SA:2009:028
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html External Source SUSE SUSE-SA:2009:030
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html External Source SUSE SUSE-SA:2009:031
http://thread.gmane.org/gmane.linux.kernel/805280 Exploit External Source MLIST [linux-kernel] 20090311 VFS, NFS security bug? Should CAP_MKNOD and CAP_LINUX_IMMUTABLE be added to CAP_FS_MASK?
http://www.debian.org/security/2009/dsa-1800 External Source DEBIAN DSA-1800
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9 External Source CONFIRM 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 External Source MLIST [oss-security] 20090323 CVE request: kernel: nfsd did not drop CAP_MKNOD for non-root
http://www.redhat.com/support/errata/RHSA-2009-1081.html External Source REDHAT RHSA-2009:1081
http://www.securityfocus.com/archive/1/archive/1/507985/100/0/threaded External Source BUGTRAQ 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components
http://www.securityfocus.com/bid/34205 External Source BID 34205
http://www.ubuntu.com/usn/usn-793-1 External Source UBUNTU USN-793-1
http://www.vmware.com/security/advisories/VMSA-2009-0016.html External Source CONFIRM http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://www.vupen.com/english/advisories/2009/0802 Vendor Advisory External Source VUPEN ADV-2009-0802
http://www.vupen.com/english/advisories/2009/3316 External Source VUPEN ADV-2009-3316
https://exchange.xforce.ibmcloud.com/vulnerabilities/49356 External Source XF linux-kernel-capmknod-security-bypass(49356)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10314 External Source OVAL oval:org.mitre.oval:def:10314
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8382 External Source OVAL oval:org.mitre.oval:def:8382

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)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:2.2.27:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.36:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.36.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.36.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.36.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.36.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.36.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.36.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.2.27.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.8.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.11.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.12.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.13.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.14.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.15.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.19:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.20:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.22:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.23:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.24:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.25:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.26:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.27:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.28:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.29:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.30:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.31:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.32:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.33:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.34:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.35:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.36:*:*:*:*:*:*:*
Showing 100 of 348 CPEs, view all CPEs here.

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Change History 3 change records found - show changes