Home/CVE/The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to
CVE

CVE-2011-2500

The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to

The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records.

HIGH · CVSS 7.5 EPSS 0.0062
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

2
linux-nfs nfs-utils<= 1.2.3
linux-nfs nfs-utilsall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v2 (legacy) · secalert@redhat.com
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:L/Au:N/C:P/I:P/A:P
Published to NVD15 Feb 2014 · 02:57 PM
⚑

Vendor Advisories

1
rhsaRHSA-2011:1534Low
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://marc.info/?l=linux-nfs&m=130875695821953&w=2
http://rhn.redhat.com/errata/RHSA-2011-1534.html
http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/
http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download
https://bugzilla.redhat.com/show_bug.cgi?id=716949
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