CVE-2021-36222

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-36222
ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562 Patch Third Party Advisory
https://github.com/krb5/krb5/releases Release Notes Third Party Advisory
https://security.netapp.com/advisory/ntap-20211022-0003/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20211104-0007/ Third Party Advisory
https://web.mit.edu/kerberos/advisories/ Not Applicable
https://www.debian.org/security/2021/dsa-4944 Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html Patch Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*
History

28 Nov 2021, 23:19

Type Values Removed Values Added
References (CONFIRM) https://security.netapp.com/advisory/ntap-20211104-0007/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20211104-0007/ - Third Party Advisory
References (MISC) https://www.oracle.com/security-alerts/cpuoct2021.html - (MISC) https://www.oracle.com/security-alerts/cpuoct2021.html - Patch, Third Party Advisory
References (CONFIRM) https://security.netapp.com/advisory/ntap-20211022-0003/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20211022-0003/ - Third Party Advisory
CPE cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*

17 Nov 2021, 22:18

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20211104-0007/ -

10 Nov 2021, 01:17

Type Values Removed Values Added
References
  • {'url': 'https://security.netapp.com/advisory/ntap-20211104-0007/', 'name': 'https://security.netapp.com/advisory/ntap-20211104-0007/', 'tags': [], 'refsource': 'CONFIRM'}

04 Nov 2021, 09:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20211104-0007/ -

22 Oct 2021, 18:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20211022-0003/ -

20 Oct 2021, 11:17

Type Values Removed Values Added
References
  • (MISC) https://www.oracle.com/security-alerts/cpuoct2021.html -

02 Aug 2021, 19:14

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4944 - Third Party Advisory
References (CONFIRM) https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562 - (CONFIRM) https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562 - Patch, Third Party Advisory
References (MISC) https://github.com/krb5/krb5/releases - (MISC) https://github.com/krb5/krb5/releases - Release Notes, Third Party Advisory
References (MISC) https://web.mit.edu/kerberos/advisories/ - (MISC) https://web.mit.edu/kerberos/advisories/ - Not Applicable
CWE CWE-476
CPE cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

22 Jul 2021, 18:43

Type Values Removed Values Added
New CVE
Information

Published : 2021-07-22 18:15

Updated : 2024-02-04 21:47

NVD link : CVE-2021-36222

Mitre link : CVE-2021-36222

CVE.ORG link : CVE-2021-36222

JSON object : View

Products Affected

oracle

  • mysql_server

mit

  • kerberos_5

debian

  • debian_linux

netapp

  • oncommand_insight
  • active_iq_unified_manager
  • snapcenter
  • oncommand_workflow_automation
CWE
CWE-476

NULL Pointer Dereference