CVE-2021-37750
CVSS V2 Medium 4
CVSS V3 Medium 6.5
Description
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/do_tgs_req.c via a FAST inner body that lacks a server field.
Overview
- CVE ID
- CVE-2021-37750
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-08-23T05:15:08
- Last Modified Date
- 2022-10-25T16:57:32
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* | 1 | OR | 1.18.5 | |
| cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* | 1 | OR | 1.19.0 | 1.19.3 |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8r13:14338:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:22.1.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49 | Patch Third Party Advisory |
| https://github.com/krb5/krb5/releases | Release Notes Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/ | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210923-0002/ | Third Party Advisory |
| https://web.mit.edu/kerberos/advisories/ | Vendor Advisory |
| https://www.oracle.com/security-alerts/cpujul2022.html | Patch Third Party Advisory |
| https://www.starwindsoftware.com/security/sw-20220817-0004/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-37750 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37750 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:52:06 | Added to TrackCVE | |||
| 2022-12-05 08:41:35 | 2021-08-23T05:15Z | 2021-08-23T05:15:08 | CVE Published Date | updated |
| 2022-12-05 08:41:35 | 2022-10-25T16:57:32 | CVE Modified Date | updated | |
| 2022-12-05 08:41:35 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 08:41:40 | References | updated |