CVE-2011-1739

Medium

Description

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductFreebsd
PublishedMay 3, 2011
First seenMay 3, 2011

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
freebsd freebsd7.4, 8.0, 8.1, 8.2—

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