CVEvulnerability

CVE-2017-7562

6.5 MEDIUM Published 2018-07-26 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-07-26
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 3.0 ([email protected])
6.5 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:P/A:N
Weaknesses
CWE-287, CWE-295

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 configurations

• redhat enterprise linux 7.0 • redhat enterprise linux desktop 7.0 • redhat enterprise linux server 7.0 • redhat enterprise linux workstation 7.0 • mit kerberos 5 (>= 1.0 < 1.16.1)

Related

Weakness · CWE (2)

  • CWE-287 Improper Authentication weakness
  • CWE-295 Improper Certificate Validation weakness

References