CVE-2017-7562
Summary
| CVE | CVE-2017-7562 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2018-07-26 15:29:00 UTC |
| Updated | 2023-02-12 23:31:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-287 | CWE-295
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Mit | Kerberos 5 | All | All | All | All |
| Application | Mit | Kerberos 5 | All | All | All | All |
| Operating System | Redhat | Enterprise Linux | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Desktop | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Desktop | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Workstation | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Workstation | 7.0 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Red Hat Customer Portal | REDHAT | access.redhat.com | Third Party Advisory |
| Commit range not found · Pull Request #694 · krb5/krb5 · GitHub | CONFIRM | github.com | Third Party Advisory |
| 1485510 – (CVE-2017-7562) CVE-2017-7562 krb5: Authentication bypass by improper validation of certificate EKU and SAN | MISC | bugzilla.redhat.com | |
| MIT krb5 CVE-2017-7562 Authentication Bypass Vulnerability | BID | www.securityfocus.com | Third Party Advisory, VDB Entry |
| 1485510 – (CVE-2017-7562) CVE-2017-7562 krb5: Authentication bypass by improper validation of certificate EKU and SAN | CONFIRM | bugzilla.redhat.com | Issue Tracking, Patch, Third Party Advisory |
| Commit range not found · Pull Request #694 · krb5/krb5 · GitHub | CONFIRM | github.com | Third Party Advisory |
| Make certauth eku module restrictive-only by greghudson · Pull Request #694 · krb5/krb5 · GitHub | CONFIRM | github.com | Patch, Third Party Advisory |
| Commit range not found · Pull Request #694 · krb5/krb5 · GitHub | CONFIRM | github.com | Third Party Advisory |
| CVE-2017-7562 - Red Hat Customer Portal | MISC | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.