6.5
CVE-2017-7562
- EPSS 3.3%
- Veröffentlicht 26.07.2018 15:29:00
- Zuletzt bearbeitet 21.11.2024 03:32:10
- Quelle secalert@redhat.com
- CVE-Watchlists
- Unerledigt
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Redhat ≫ Enterprise Linux Version7.0
Redhat ≫ Enterprise Linux Desktop Version7.0
Redhat ≫ Enterprise Linux Server Version7.0
Redhat ≫ Enterprise Linux Workstation Version7.0
Mit ≫ Kerberos 5 Version >= 1.0 < 1.16.1
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 3.3% | 0.869 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 6.5 | 2.8 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
|
| nvd@nist.gov | 4 | 8 | 2.9 |
AV:N/AC:L/Au:S/C:N/I:P/A:N
|
| secalert@redhat.com | 6.5 | 2.8 | 3.6 |
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
|
CWE-287 Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
CWE-295 Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.
https://access.redhat.com/errata/RHSA-2018:0666
http://www.securityfocus.com/bid/100511
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7562
https://github.com/krb5/krb5/pull/694
https://github.com/krb5/krb5/pull/694/commits/1de6ca2f2eb1fdbab51f1549a25a6903aefcc196
https://github.com/krb5/krb5/pull/694/commits/50fe4074f188c2d4da0c421e96553acea8378db2
https://github.com/krb5/krb5/pull/694/commits/b7af544e50a4d8291524f590e20dd44430bf627d