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TI-2011-01537 Aliases CVE-2011-1758GHSA-rqv8-76v6-fcx2

The krb5_save_ccname_done function in providers/krb5/krb5_auth.c in System Security…

Priority LOW 18CWE-287Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

The krb5_save_ccname_done function in providers/krb5/krb5_auth.c in System Security Services Daemon (SSSD) 1.5.x before 1.5.7, when automatic ticket renewal and offline authentication are configured, uses a pathname string as a password, which allows local users to bypass Kerberos authentication by listing the /tmp directory to obtain the pathname.

Why it matters now

EPSS 0.00338 27th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 8

CPEVersionsRoleVendor
cpe:2.3:a:fedoraproject:sssd:1.5.0:*:*:*:*:*:*:*1.5.0VulnerableFedoraproject
cpe:2.3:a:fedoraproject:sssd:1.5.1:*:*:*:*:*:*:*1.5.1VulnerableFedoraproject
cpe:2.3:a:fedoraproject:sssd:1.5.2:*:*:*:*:*:*:*1.5.2VulnerableFedoraproject
cpe:2.3:a:fedoraproject:sssd:1.5.3:*:*:*:*:*:*:*1.5.3VulnerableFedoraproject
cpe:2.3:a:fedoraproject:sssd:1.5.4:*:*:*:*:*:*:*1.5.4VulnerableFedoraproject
cpe:2.3:a:fedoraproject:sssd:1.5.5:*:*:*:*:*:*:*1.5.5VulnerableFedoraproject
cpe:2.3:a:fedoraproject:sssd:1.5.6:*:*:*:*:*:*:*1.5.6VulnerableFedoraproject
cpe:2.3:a:fedoraproject:sssd:1.5.6.1:*:*:*:*:*:*:*1.5.6.1VulnerableFedoraproject
  • cpe:2.3:a:fedoraproject:sssd:1.5.0:*:*:*:*:*:*:* Versions 1.5.0 Vulnerable ·Fedoraproject
  • cpe:2.3:a:fedoraproject:sssd:1.5.1:*:*:*:*:*:*:* Versions 1.5.1 Vulnerable ·Fedoraproject
  • cpe:2.3:a:fedoraproject:sssd:1.5.2:*:*:*:*:*:*:* Versions 1.5.2 Vulnerable ·Fedoraproject
  • cpe:2.3:a:fedoraproject:sssd:1.5.3:*:*:*:*:*:*:* Versions 1.5.3 Vulnerable ·Fedoraproject
  • cpe:2.3:a:fedoraproject:sssd:1.5.4:*:*:*:*:*:*:* Versions 1.5.4 Vulnerable ·Fedoraproject
  • cpe:2.3:a:fedoraproject:sssd:1.5.5:*:*:*:*:*:*:* Versions 1.5.5 Vulnerable ·Fedoraproject
  • cpe:2.3:a:fedoraproject:sssd:1.5.6:*:*:*:*:*:*:* Versions 1.5.6 Vulnerable ·Fedoraproject
  • cpe:2.3:a:fedoraproject:sssd:1.5.6.1:*:*:*:*:*:*:* Versions 1.5.6.1 Vulnerable ·Fedoraproject

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1758
  2. 2026-10-03 Alias added: GHSA-rqv8-76v6-fcx2

References

Patch 4

Advisory 2

Other 3

  • TI-2022-03895 sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters CVSS 3.1HIGH 8.8
  • TI-2026-68594 Authorization bypass in SSSD HBAC rules via username collision CVSS 3.1HIGH 8.1
  • TI-2026-68550 Denial of service in sssd responder via connection retry loop CVSS 3.1MEDIUM 5.5
  • TI-2026-68273 Denial of service in SSSD via unprivileged autofs cache invalidation CVSS 3.1MEDIUM 5.5
  • TI-2026-61496 Sssd: sssd: fail-open in ldap ppolicy access check allows continued authorization CVSS 3.1MEDIUM 5.4
  • TI-2026-69019 Race condition in SSSD autofs responder enables denial of service CVSS 3.1MEDIUM 4.7
See all 35 →

Sources

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