Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| MIT / krb5 | affected 1.16.1 |
CWE
CWE-295, CWE-287
References
- https://github.com/krb5/krb5/pull/694/commits/50fe4074f188c2d4da0c421e96553acea8378db2
- http://www.securityfocus.com/bid/100511
- https://github.com/krb5/krb5/pull/694/commits/1de6ca2f2eb1fdbab51f1549a25a6903aefcc196
- https://github.com/krb5/krb5/pull/694
- https://access.redhat.com/errata/RHSA-2018:0666
- https://github.com/krb5/krb5/pull/694/commits/b7af544e50a4d8291524f590e20dd44430bf627d
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7562
ADP enrichment
No English description supplied.
- https://github.com/krb5/krb5/pull/694/commits/50fe4074f188c2d4da0c421e96553acea8378db2
- http://www.securityfocus.com/bid/100511
- https://github.com/krb5/krb5/pull/694/commits/1de6ca2f2eb1fdbab51f1549a25a6903aefcc196
- https://github.com/krb5/krb5/pull/694
- https://access.redhat.com/errata/RHSA-2018:0666
- https://github.com/krb5/krb5/pull/694/commits/b7af544e50a4d8291524f590e20dd44430bf627d
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7562