CVE-2017-12173

Description

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.49%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: SSSD sssd
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2017:3379 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12173 issue tracking patch vendor advisory
https://access.redhat.com/errata/RHSA-2018:1877 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-12173?
CVE-2017-12173 has been scored as a medium severity vulnerability.
How to fix CVE-2017-12173?
To fix CVE-2017-12173, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12173 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-12173 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-12173?
CVE-2017-12173 affects SSSD sssd.
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