National Vulnerability Database (NVD) National Vulnerability Database (CVE-2011-1758)

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Vulnerability Summary for CVE-2011-1758

Original release date:05/26/2011

Last revised:05/27/2011

Source: US-CERT/NIST

Overview

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

CVSS Severity (version 2.0):

CVSS v2 Base Score:3.7 (LOW) (AV:L/AC:H/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 1.9

CVSS Version 2 Metrics:

Access Vector: Locally exploitable

Access Complexity: High

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: CONFIRM

Name: https://fedorahosted.org/sssd/ticket/856

Type: Patch Information

Hyperlink:https://fedorahosted.org/sssd/ticket/856

External Source: MLIST

Name: [sssd-devel] 20110429 SSSD Security Release 1.5.7

Type: Patch Information

Hyperlink:https://fedorahosted.org/pipermail/sssd-devel/2011-April/006138.html

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=700867

Type: Patch Information

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=700867