Home/CVE/The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specify
CVE

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 specify

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.

MEDIUM · CVSS 4.3 EPSS 0.00336
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
freebsdall versions
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v2 (legacy) · secteam@freebsd.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Published to NVD03 May 2011 · 08:55 PM
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/44307Vendor Advisory
http://security.FreeBSD.org/advisories/FreeBSD-SA-11:01.mountd.asc
http://securitytracker.com/id?1025425
http://www.securityfocus.com/bid/47517
http://www.vupen.com/english/advisories/2011/1076Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66981
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