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.
Published 2011-05-03 20:55:12
Updated 2017-08-17 01:34:22
Source FreeBSD
View at NVD,   CVE.org
Vulnerability category: Input validation

Threat overview for CVE-2011-1739

Top countries where our scanners detected CVE-2011-1739
Top open port discovered on systems with this issue 80
IPs affected by CVE-2011-1739 1
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Exploit prediction scoring system (EPSS) score for CVE-2011-1739

Probability of exploitation activity in the next 30 days: 0.39%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 70 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2011-1739

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.3
MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
NIST

CWE ids for CVE-2011-1739

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-1739

Products affected by CVE-2011-1739

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