CVE-2013-4851

The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through 9.1-RELEASE-p5 controls authorization for host/subnet export entries on the basis of group information sent by the client, which allows remote attackers to bypass file permissions on NFS filesystems via crafted requests.

CVSS v2.0 6.4 MEDIUM

6.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://www.freebsd.org/security/advisories/FreeBSD-SA-13:08.nfsserver.asc
http://svnweb.freebsd.org/base?view=revision&revision=244226
http://www.securityfocus.com/bid/61484

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:freebsd:freebsd:9.0:::::::*
	cpe:2.3:o:freebsd:freebsd:9.1:::::::*
	cpe:2.3:o:freebsd:freebsd:8.3:::::::*
	cpe:2.3:o:freebsd:freebsd:9.1:p4::::::
	cpe:2.3:o:freebsd:freebsd:9.1:p5::::::

Information

Published : 2013-07-29 06:59

Updated : 2019-03-18 08:35

NVD link : CVE-2013-4851

Mitre link : CVE-2013-4851

JSON object : View

CWE

CWE-264

Permissions, Privileges, and Access Controls

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Products Affected

freebsd

freebsd

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