CVE-2021-37750

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Source
https://cve.org/CVERecord?id=CVE-2021-37750
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-37750.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-37750
Downstream
Related
Published
2021-08-23T05:15:08.063Z
Modified
2026-05-18T05:55:15.695580296Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/dotgsreq.c via a FAST inner body that lacks a server field.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "9.0"
                }
            ],
            "vendor_product": "debian:debian_linux"
        },
        {
            "source": "CPE_FIELD",
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "33"
                }
            ],
            "vendor_product": "fedoraproject:fedora"
        },
        {
            "source": "CPE_FIELD",
            "cpes": [
                "cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "fixed": "1.18.5"
                }
            ],
            "vendor_product": "mit:kerberos_5"
        },
        {
            "source": "CPE_FIELD",
            "cpes": [
                "cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:22.1.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "22.1.0"
                }
            ],
            "vendor_product": "oracle:communications_cloud_native_core_network_slice_selection_function"
        },
        {
            "source": "CPE_FIELD",
            "cpes": [
                "cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8r13:14338:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "v8r13-14338"
                }
            ],
            "vendor_product": "starwindsoftware:starwind_virtual_san"
        }
    ]
}
References

Affected packages

Git / github.com/krb5/krb5

Affected ranges

Type
GIT
Repo
https://github.com/krb5/krb5
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
78e00c57d8aea567ab435fe802b730029fded242
Fixed
f886ccde056f3e8ad4c1fb35cb9f4a7d7f1c1d5c
Database specific 
{
    "cpe": "cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*",
    "source": "CPE_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.18.5"
        },
        {
            "introduced": "1.19.0"
        },
        {
            "fixed": "1.19.3"
        }
    ]
}

Affected versions

krb5-1.*
krb5-1.18-beta1
krb5-1.18-beta2
krb5-1.18-final
krb5-1.18.1-final
krb5-1.18.2-final
krb5-1.18.3-final
krb5-1.18.4-final
krb5-1.19-beta1
krb5-1.19-beta2
krb5-1.19-final
krb5-1.19.1-final
krb5-1.19.2-final

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-37750.json"