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 |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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History
No history.
Information
Published : 2018-07-26 15:29
Updated : 2024-02-28 16:48
NVD link : CVE-2017-7562
Mitre link : CVE-2017-7562
CVE.ORG link : CVE-2017-7562
JSON object : View
Products Affected
redhat
- enterprise_linux_desktop
- enterprise_linux_server
- enterprise_linux
- enterprise_linux_workstation
mit
- kerberos_5