CVE-2011-1758

Severity: low (CVSS 3.7 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-05-26 · updated 2026-06-16
Weakness: CWE-287

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.

Affected products

[UNKNOWN] sssd: 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5 (+2)

References

http://git.fedorahosted.org/git/?p=sssd.git%3Ba=commit%3Bh=fffdae81651b460f3d2c119c56d5caa09b4de42a
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059532.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059619.html
http://openwall.com/lists/oss-security/2011/04/29/4
https://bugzilla.redhat.com/show_bug.cgi?id=700867
https://bugzilla.redhat.com/show_bug.cgi?id=700891
https://fedorahosted.org/pipermail/sssd-devel/2011-April/006138.html
https://fedorahosted.org/sssd/ticket/856
https://fedorahosted.org/sssd/wiki/Releases/Notes-1.5.7
http://git.fedorahosted.org/git/?p=sssd.git%3Ba=commit%3Bh=fffdae81651b460f3d2c119c56d5caa09b4de42a
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059532.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059619.html

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