sys/nfsclient/nfs_vfsops.c in the NFS client in the kernel in FreeBSD 7.2 through 8.1-PRERELEASE, when vfs.usermount is enabled, does not validate the length of a certain fhsize parameter, which allows local users to gain privileges via a crafted mount request.
Published 2010-05-28 18:30:02
Updated 2012-11-06 04:41:22
Source FreeBSD
View at NVD,   CVE.org
Vulnerability category: Input validation

Threat overview for CVE-2010-2020

Top countries where our scanners detected CVE-2010-2020
Top open port discovered on systems with this issue 80
IPs affected by CVE-2010-2020 1
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Exploit prediction scoring system (EPSS) score for CVE-2010-2020

Probability of exploitation activity in the next 30 days: 0.04%

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

CVSS scores for CVE-2010-2020

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.9
MEDIUM AV:L/AC:M/Au:N/C:C/I:C/A:C
3.4
10.0
NIST

CWE ids for CVE-2010-2020

  • 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-2010-2020

Products affected by CVE-2010-2020

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