CVE-2011-1758

SSSD 1.5.x < 1.5.7 - Kerberos Authentication Bypass via Temporary File Pathname

Title source: llm
STIX 2.1

Description

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.

References (9)

Core 9
Core References
Patch x_refsource_confirm
https://fedorahosted.org/sssd/ticket/856
Patch mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2011/04/29/4
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059619.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059532.html
Third Party Advisory x_refsource_confirm
https://fedorahosted.org/sssd/wiki/Releases/Notes-1.5.7
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=700891

Scores

EPSS 0.0034
EPSS Percentile 25.6%

Details

CWE
CWE-287
Status published
Products (8)
fedoraproject/sssd 1.5.0
fedoraproject/sssd 1.5.1
fedoraproject/sssd 1.5.2
fedoraproject/sssd 1.5.3
fedoraproject/sssd 1.5.4
fedoraproject/sssd 1.5.5
fedoraproject/sssd 1.5.6
fedoraproject/sssd 1.5.6.1
Published May 26, 2011
Tracked Since Feb 18, 2026