CVE-2009-1072

MEDIUM

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.

References

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

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://secunia.com/advisories/34422

http://secunia.com/advisories/34432

http://secunia.com/advisories/34786

http://secunia.com/advisories/35121

http://secunia.com/advisories/35185

http://secunia.com/advisories/35343

http://secunia.com/advisories/35390

http://secunia.com/advisories/35394

http://secunia.com/advisories/35656

http://secunia.com/advisories/37471

http://thread.gmane.org/gmane.linux.kernel/805280

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

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

Details

Source: MITRE

Published: 2009-03-25

Updated: 2018-10-10

Type: CWE-16

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:C/A:N

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM