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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | sssd +10 | 1.9.2-82.4.el6_4 | RHSA-2013:0663 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | sssd | 1.14.2-3.1 | openSUSE-SU-2024:10427-1 |
Advisories 2
- RHSA-2013:0663 Red Hat Security Advisory: sssd security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- openSUSE-SU-2024:10427-1 libipa_hbac-devel-1.14.2-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- openSUSE-SU-2013:0559 vendor-advisory
- 52704 third-party-advisory
- http://git.fedorahosted.org/cgit/sssd.git/patch/?id=7619be9f6bf649665fcbeee9e6b120f9f9cba2a5
- http://git.fedorahosted.org/cgit/sssd.git/patch/?id=6569d57e3bc168e6e83d70333b48c5cb43aa04c4
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=910938
- [sssd-devel] 20130319 [SSSD] A security bug in SSSD 1.9 (CVE-2013-0287) mailing-list
- http://git.fedorahosted.org/cgit/sssd.git/patch/?id=8b8019fe3dd1564fba657e219ec20ff816c7ffdb
- 58593 vdb-entry
- 52722 third-party-advisory
- http://git.fedorahosted.org/cgit/sssd.git/patch/?id=6837eee3f7f81c0ee454d3718d67d7f3cc6b48ef
- http://git.fedorahosted.org/cgit/sssd.git/patch/?id=c0bca1722d6f9dfb654ad78397be70f79ff39af1
- http://git.fedorahosted.org/cgit/sssd.git/patch/?id=b63830b142053f99bfe954d4be5a2b0f68ce3a93
- 1028317 vdb-entry
- RHSA-2013:0663 vendor-advisory
- http://git.fedorahosted.org/cgit/sssd.git/patch/?id=754b09b5444e6da88ed58d6deaed8b815e268b6b
- http://git.fedorahosted.org/cgit/sssd.git/patch/?id=26590d31f492dbbd36be6d0bde46a4bd3b221edb