CVE-2017-7562 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 poten...
MediumCVSS 6.5
EPSS 3.2%
- Published
- Updated
- Exploit status
- No public exploit known
Description
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 products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat enterprise linux | = 7.0 | No fix listed |
| redhat enterprise linux desktop | = 7.0 | No fix listed |
| redhat enterprise linux server | = 7.0 | No fix listed |
| redhat enterprise linux workstation | = 7.0 | No fix listed |
| mit kerberos 5 | >= 1.0, < 1.16.1 | 1.16.1 |
| mit krb5 | = 1.16.1 | No fix listed |
References
- 100511 third-party-advisory vdb-entry
- RHSA-2018:0666 third-party-advisory vendor-advisory
- bugzilla.redhat.com issue-tracking patch third-party-advisory
- github.com patch third-party-advisory
- github.com third-party-advisory
- github.com third-party-advisory
- github.com third-party-advisory
- Debian Security Tracker CVE-2017-7562 vendor-advisory