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TI-2007-04003 Aliases CVE-2007-4135GHSA-rw5m-g76h-ww34

The NFSv4 ID mapper (nfsidmap) before 0.17 does not properly handle return values from…

Priority LOW 28Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

The NFSv4 ID mapper (nfsidmap) before 0.17 does not properly handle return values from the getpwnam_r function when performing a username lookup, which can cause it to report a file as being owned by "root" instead of "nobody" if the file exists on the server but not on the client.

Why it matters now

EPSS 0.00341 27th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nfsv4:nfsidmap:*:*:*:*:*:*:*:*up to 0.16.22VulnerableNfsv4
  • cpe:2.3:a:nfsv4:nfsidmap:*:*:*:*:*:*:*:* Versions up to 0.16.22 Vulnerable ·Nfsv4

Remediation

Red Hat 1 advisory

  • RHSA-2007:0951 Released 2007-10-02 · Red Hat rating Important
    nfs-utils-lib security update
    • Red Hat Enterprise Linux (v. 5 server) nfs-utils-lib-1.0.8-7.2.z2, nfs-utils-lib-1.0.8-7.2.z2.i386, nfs-utils-lib-1.0.8-7.2.z2.ia64 +5
    • Red Hat Enterprise Linux Desktop (v. 5 client) nfs-utils-lib-1.0.8-7.2.z2, nfs-utils-lib-1.0.8-7.2.z2.i386
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) nfs-utils-lib-1.0.8-7.2.z2, nfs-utils-lib-devel-1.0.8-7.2.z2, nfs-utils-lib-devel-1.0.8-7.2.z2.i386

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2007:0951
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2007:0951
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2007:0951

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-4135
  2. 2026-10-03 Alias added: GHSA-rw5m-g76h-ww34

References

Advisory 3

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences