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Sssd: sssd: gpo cache path traversal via unsanitized gpcfilesyspath allows kerberos authentication bypass (Red Hat Red Hat Enterprise Linux 10)

CVE-2026-14476
HIGH 8.0

At a glance

Source
NVD
EPSS
EPSS 0.67 % · percentile 52 ()
State
PUBLISHED
Published
Updated
Assigner
redhat
NVD status
Awaiting Analysis

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Description

A path traversal flaw was found in SSSD's AD GPO provider. The ad_gpo_extract_smb_components() function does not sanitize .. sequences in the gPCFileSysPath LDAP attribute, allowing an attacker with AD GPO management access to write files outside the GPO cache directory as root. On default RHEL configurations with SELinux enforcing, this can be used to inject Kerberos configuration leading to authentication bypass.

Weaknesses (CWE)

  • CWE-23 — Relative Path Traversal

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.0CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:Hredhat
CVSS 3.1HIGH 8.0CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:HNVD · secalert@redhat.com (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Red Hat · Red Hat Enterprise Linux 10unaffected 0:2.12.0-3.el10_2.1 < *
Red Hat · Red Hat Enterprise Linux 10.0 Extended Update Supportunaffected 0:2.10.2-3.el10_0.5 < *
Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle Supportunaffected 0:1.16.5-10.el7_9.18 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 0:2.9.4-5.el8_10.5 < *
Red Hat · Red Hat Enterprise Linux 8unaffected 0:2.9.4-5.el8_10.5 < *
Red Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportunaffected 0:2.4.0-9.el8_4.5 < *
Red Hat · Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onunaffected 0:2.4.0-9.el8_4.5 < *
Red Hat · Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportunaffected 0:2.6.2-4.el8_6.5 < *
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-Onunaffected 0:2.6.2-4.el8_6.5 < *
Red Hat · Red Hat Enterprise Linux 8.8 Telecommunications Update Serviceunaffected 0:2.8.2-4.el8_8.4 < *
Red Hat · Red Hat Enterprise Linux 8.8 Update Services for SAP Solutionsunaffected 0:2.8.2-4.el8_8.4 < *
Red Hat · Red Hat Enterprise Linux 9unaffected 0:2.9.8-4.el9_8.1 < *
Red Hat · Red Hat Enterprise Linux 9unaffected 0:2.9.8-4.el9_8.1 < *
Red Hat · Red Hat Enterprise Linux 9.2 Update Services for SAP Solutionsunaffected 0:2.8.2-5.el9_2.7 < *
Red Hat · Red Hat Enterprise Linux 9.4 Update Services for SAP Solutionsunaffected 0:2.9.4-6.el9_4.5 < *
Red Hat · Red Hat Enterprise Linux 9.6 Extended Update Supportunaffected 0:2.9.6-4.el9_6.5 < *
Red Hat · Red Hat OpenShift Container Platform 4.12unaffected 412.86.202608241157-0 < *
Red Hat · Red Hat OpenShift Container Platform 4.13unaffected 413.92.202608111330-0 < *
Red Hat · Red Hat OpenShift Container Platform 4.14unaffected 414.92.202608172040-0 < *
Red Hat · Red Hat OpenShift Container Platform 4.15unaffected 415.92.202608180329-0 < *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD