CVE-2011-1739

The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request.

CVSS v2.0 4.3 MEDIUM

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://secunia.com/advisories/44307	Vendor Advisory
http://securitytracker.com/id?1025425
http://security.FreeBSD.org/advisories/FreeBSD-SA-11:01.mountd.asc
http://www.vupen.com/english/advisories/2011/1076	Vendor Advisory
http://www.securityfocus.com/bid/47517
https://exchange.xforce.ibmcloud.com/vulnerabilities/66981

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:freebsd:freebsd:7.4:::::::*
	cpe:2.3:o:freebsd:freebsd:8.0:::::::*
	cpe:2.3:o:freebsd:freebsd:8.1:::::::*
	cpe:2.3:o:freebsd:freebsd:8.2:::::::*

Information

Published : 2011-05-03 13:55

Updated : 2017-08-16 18:34

NVD link : CVE-2011-1739

Mitre link : CVE-2011-1739

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

freebsd

freebsd

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