CVE-2017-7562

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2017-7562
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-7562.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-7562
Downstream
Related
Published
2018-07-26T15:29:00.403Z
Modified
2026-05-28T04:04:28.249027761Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "unresolved_ranges": [
        {
            "vendor_product": "redhat:enterprise_linux",
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "7.0"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "vendor_product": "redhat:enterprise_linux_desktop",
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "7.0"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "vendor_product": "redhat:enterprise_linux_server",
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "7.0"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "vendor_product": "redhat:enterprise_linux_workstation",
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "7.0"
                }
            ],
            "source": "CPE_STRING"
        }
    ]
}
References

Affected packages

Git / github.com/krb5/krb5

Affected ranges

Type
GIT
Repo
https://github.com/krb5/krb5
Events
Introduced
aca1dccda2da25a5f93227fa4db006c379a961b0
Fixed
8e153e3e8feb88780413d642273d60f0c15b2fe6
Database specific 
{
    "cpe": "cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "1.0"
        },
        {
            "fixed": "1.16.1"
        }
    ],
    "source": "CPE_RANGE"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-7562.json"