Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-1758

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
26/05/2011
Last modified:
13/02/2023

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.

Impact

Vector 2.0
AV:L/AC:H/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 3.70 LOW
Vector: AV:L/AC:H/Au:N/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): High
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
3.70
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:fedoraproject:sssd:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.3:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.4:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.5:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.6:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.6.1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools