CVE-2013-0287 Auth bypass in n/a

Medium 4.9 Published Updated

Authenticated users can bypass access restrictions in SSSD when using the Active Directory provider with simple_deny_groups configured.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2013-0287?

CVE-2013-0287 is a medium-severity authentication bypass vulnerability in n/a, published on 21 Mar 2013. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Simple Access Provider in System Security Services Daemon (SSSD) 1.9.0 through 1.9.4, when the Active Directory provider is used, does not properly enforce the simple_deny_groups option, which allows remote authenticated users to bypass intended access restrictions.

Weakness: CWE-264

Which versions are affected by CVE-2013-0287?

It affects 1 product.

Linux distribution packages (40)
libipa_hbac Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
libipa_hbac-devel Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
libipa_hbac-python Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
libsss_autofs Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
libsss_idmap Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
libsss_idmap-devel Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
libsss_sudo Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
libsss_sudo-devel Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
sssd Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
sssd-client Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
sssd-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
sssd-tools Red Hat:enterprise_linux:6::clientAll versions0:1.9.2-82.4.el6_4
libipa_hbac Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
libipa_hbac-devel Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
libipa_hbac-python Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
libsss_autofs Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
libsss_idmap Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
libsss_idmap-devel Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
libsss_sudo Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
libsss_sudo-devel Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
sssd Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
sssd-client Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
sssd-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
sssd-tools Red Hat:enterprise_linux:6::computenodeAll versions0:1.9.2-82.4.el6_4
libipa_hbac Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
libipa_hbac-devel Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
libipa_hbac-python Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
libsss_autofs Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
libsss_idmap Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
libsss_idmap-devel Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
libsss_sudo Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
libsss_sudo-devel Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
sssd Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
sssd-client Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
sssd-debuginfo Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
sssd-tools Red Hat:enterprise_linux:6::serverAll versions0:1.9.2-82.4.el6_4
libipa_hbac Red Hat:enterprise_linux:6::workstationAll versions0:1.9.2-82.4.el6_4
libipa_hbac-devel Red Hat:enterprise_linux:6::workstationAll versions0:1.9.2-82.4.el6_4
libipa_hbac-python Red Hat:enterprise_linux:6::workstationAll versions0:1.9.2-82.4.el6_4
libsss_autofs Red Hat:enterprise_linux:6::workstationAll versions0:1.9.2-82.4.el6_4

Products include Fedoraproject Sssd.

How do I fix CVE-2013-0287?

Apply the vendor's patch.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2013-0287 being exploited?

There is no known exploitation of CVE-2013-0287 in the wild and no public exploit code.

Sources

Also known as GHSA-h53f-x74p-cc2v, RHSA-2013:0663.

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