CVE-2017-12173
mediumpriority · track · 36EPSS 0.015 · 74 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4–8.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (22)
Products and version ranges known to be affected.
- redhat enterprise linux server aus= 7.4nvdUScpe:2.3:o:redhat:enterprise_linux_server_aus:*:*:*:*:*:*:*:*
- redhat enterprise linux server eus= 7.4nvdUScpe:2.3:o:redhat:enterprise_linux_server_eus:*:*:*:*:*:*:*:*
- redhat enterprise linux server eus= 7.5nvdUScpe:2.3:o:redhat:enterprise_linux_server_eus:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-3117Red Hat Enterprise Linux: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2017-12-04csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux und Oracle Linux ausnutzen, um Informationen offenzulegen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://access.redhat.com/errata/RHSA-2017:3379cnnvd
- https://access.redhat.com/errata/RHSA-2018:1877cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12173cnnvd
- https://access.redhat.com/errata/RHSA-2017:3379enisa_euvd
- https://access.redhat.com/errata/RHSA-2018:1877enisa_euvd
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12173enisa_euvd
- https://access.redhat.com/errata/RHSA-2017:3379Vendor Advisorynvd
- https://access.redhat.com/errata/RHSA-2018:1877Vendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan