CVE-2011-2500
The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does...
CVE-2011-2500 is a high vulnerability (CVSS 7.5) in Linux-nfs Nfs-utils, published February 15, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.56%, the 85th percentile. Fixed in nfs-utils 1:1.2.4-1.
- Severity
- 7.5 HighCVSS 2.0, NVD
- Exploit chance
- 2.56%EPSS, 85th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
1:1.2.4-1nfs-utils +10 more
Description
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.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
nfs-utilsDebian:12 | before 1:1.2.4-1 | 1:1.2.4-1 |
nfs-utilsDebian:13 | before 1:1.2.4-1 | 1:1.2.4-1 |
nfs-utilsDebian:14 | before 1:1.2.4-1 | 1:1.2.4-1 |
nfs-utilsRed Hat:enterprise_linux:6::client From an advisory covering 2 CVEs | before 1:1.2.3-15.el6 | 1:1.2.3-15.el6 |
nfs-utils-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 2 CVEs | before 1:1.2.3-15.el6 | 1:1.2.3-15.el6 |
nfs-utilsRed Hat:enterprise_linux:6::computenode From an advisory covering 2 CVEs | before 1:1.2.3-15.el6 | 1:1.2.3-15.el6 |
nfs-utils-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 2 CVEs | before 1:1.2.3-15.el6 | 1:1.2.3-15.el6 |
nfs-utilsRed Hat:enterprise_linux:6::server From an advisory covering 2 CVEs | before 1:1.2.3-15.el6 | 1:1.2.3-15.el6 |
nfs-utils-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 2 CVEs | before 1:1.2.3-15.el6 | 1:1.2.3-15.el6 |
nfs-utilsRed Hat:enterprise_linux:6::workstation From an advisory covering 2 CVEs | before 1:1.2.3-15.el6 | 1:1.2.3-15.el6 |
nfs-utils-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 2 CVEs | before 1:1.2.3-15.el6 | 1:1.2.3-15.el6 |
What each source reports
NVD Score used
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.
- Record
CVE-2011-2500- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2011-2500- Updated
- 2026-11-02
EUVDEUVD-2011-2487No score
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.
- Record
EUVD-2011-2487- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-crxh-9828-m763No score
The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does...
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.
- Record
GHSA-crxh-9828-m763- Updated
- 2026-11-02
OSVNo score
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.
- Record
CVE-2011-2500- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-2500No score
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.
- Record
DEBIAN-CVE-2011-2500- Updated
- 2026-11-02
OSVUBUNTU-CVE-2011-2500No score
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.
- Record
UBUNTU-CVE-2011-2500- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
bugzilla.redhat.com/show_bug.cgi?id=716949
sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download
marc.info?l=linux-nfs&m=130875695821953&w=2
rhn.redhat.com/errata/RHSA-2011-1534.html
nvd.nist.gov/vuln/detail/CVE-2011-2500
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github.com/advisories/GHSA-crxh-9828-m763
security-tracker.debian.org/tracker/CVE-2011-2500
access.redhat.com/errata/RHSA-2011:1534
docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.2_Technical_Notes/nfs-utils.html
security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_1534.json
cve.org/CVERecord?id=CVE-2011-1749
ubuntu.com/security/CVE-2011-2500