Local Authentication Bypass in System Security Services Daemon by Red Hat
CVE-2011-1758
Currently unrated
What is CVE-2011-1758?
A vulnerability exists in the System Security Services Daemon (SSSD) versions prior to 1.5.7, specifically in the krb5_save_ccname_done function. When automatic ticket renewal and offline authentication are enabled, the function improperly uses a pathname string as a password. This flaw allows local users to list the /tmp directory and retrieve the pathname, effectively bypassing Kerberos authentication mechanisms. This situation raises significant security concerns for systems using SSSD that rely on robust user authentication.
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