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.
References
Link | Resource |
---|---|
http://www.securityfocus.com/bid/100511 | Third Party Advisory VDB Entry |
https://access.redhat.com/errata/RHSA-2018:0666 | Third Party Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7562 | Issue Tracking Patch Third Party Advisory |
https://github.com/krb5/krb5/pull/694 | Patch Third Party Advisory |
https://github.com/krb5/krb5/pull/694/commits/1de6ca2f2eb1fdbab51f1549a25a6903aefcc196 | Third Party Advisory |
https://github.com/krb5/krb5/pull/694/commits/50fe4074f188c2d4da0c421e96553acea8378db2 | Third Party Advisory |
https://github.com/krb5/krb5/pull/694/commits/b7af544e50a4d8291524f590e20dd44430bf627d | Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: redhat
Published: 2018-07-26T15:00:00
Updated: 2018-07-27T09:57:01
Reserved: 2017-04-05T00:00:00
Link: CVE-2017-7562
JSON object: View
NVD Information
Status : Modified
Published: 2018-07-26T15:29:00.403
Modified: 2023-02-12T23:31:19.287
Link: CVE-2017-7562
JSON object: View
Redhat Information
No data.