CVE-2017-7562
mediumpriority · track · 27EPSS 0.032 · 88 %ileEUUSEPSS · scored 2026-10-28
An authentication bypass flaw was found in the way krb5's certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
- redhat enterprise linux workstation= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux_workstation:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (26)
External citations — patches, advisories, analysis.
- http://www.ibm.com/support/docview.wsscnnvd
- http://www.ibm.com/support/docview.wss?uid=ibm10879093cnnvd
- https://access.redhat.com/errata/RHSA-2018:0666cnnvd
- https://access.redhat.com/security/cve/CVE-2017-7562cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=1485510cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7562cnnvd
- https://github.com/krb5/krb5/pull/694Patchcnnvd
- https://github.com/krb5/krb5/pull/694/commits/1de6ca2f2eb1fdbab51f1549a25a6903aefcc196cnnvd
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