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Permalink CVE-2025-11561
8.8 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): LOW
  • Privileges required (PR): LOW
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
updated 2 months ago by @LeSuisse Activity log
  • Created automatic suggestion 4 months ago
  • @LeSuisse dismissed 2 months ago
Sssd: sssd default kerberos configuration allows privilege escalation on ad-joined linux systems

A flaw was found in the integration of Active Directory and the System Security Services Daemon (SSSD) on Linux systems. In default configurations, SSSD does not enable the Kerberos local authentication plugin (sssd_krb5_localauth_plugin), allowing an attacker with permission to modify certain AD attributes (such as userPrincipalName or samAccountName) to impersonate privileged users. This can result in unauthorized access or privilege escalation on domain-joined Linux hosts.

References

Affected products

sssd
  • =<2.11.1
  • *
rhcos
  • *
rhceph/rhceph-7-rhel9
  • *
rhceph/rhceph-8-rhel9
  • *

Matching in nixpkgs

Package maintainers

Never impacted the current stable branch

https://github.com/NixOS/nixpkgs/commit/167ebcf138339399754f7a19991d47bc64e76e9d