Improper Input Validation Affecting sssd-dbus package, versions <0:1.15.2-50.el7_4.8
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Apr 2022
- disclosed27 Jul 2018
Introduced: 27 Jul 2018
CVE-2017-12173 (opens in a new tab)How to fix?
Upgrade Oracle:7 sssd-dbus to version 0:1.15.2-50.el7_4.8 or higher.
This issue was patched in ELSA-2017-3379.
NVD Description
Note: Versions mentioned in the description apply only to the upstream sssd-dbus package and not the sssd-dbus package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
It was found that sssd's sysdb_search_user_by_upn_res() function before 1.16.0 did not sanitize requests when querying its local cache and was vulnerable to injection. In a centralized login environment, if a password hash was locally cached for a given user, an authenticated attacker could use this flaw to retrieve it.
References
- https://linux.oracle.com/cve/CVE-2017-12173.html
- https://linux.oracle.com/errata/ELSA-2017-3379.html
- https://linux.oracle.com/errata/ELSA-2018-1877.html
- https://access.redhat.com/errata/RHSA-2017:3379
- https://access.redhat.com/errata/RHSA-2018:1877
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12173