CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
77.2%
A null pointer de-reference was found in the way samba kerberos server
handled missing sname in TGS-REQ (Ticket Granting Server - Request). An
authenticated user could use this flaw to crash the samba server.
Author | Note |
---|---|
mdeslaur | same as CVE-2021-37750 for MIT krb5 |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | heimdal | < 7.5.0+dfsg-1ubuntu0.1 | UNKNOWN |
ubuntu | 20.04 | noarch | heimdal | < 7.7.0+dfsg-1ubuntu1.1 | UNKNOWN |
ubuntu | 14.04 | noarch | heimdal | < 1.6~git20131207+dfsg-1ubuntu1.2+esm1 | UNKNOWN |
ubuntu | 16.04 | noarch | heimdal | < 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1 | UNKNOWN |
ubuntu | 18.04 | noarch | samba | < 2:4.7.6+dfsg~ubuntu-0ubuntu2.26 | UNKNOWN |
ubuntu | 20.04 | noarch | samba | < 2:4.13.14+dfsg-0ubuntu0.20.04.1 | UNKNOWN |
ubuntu | 21.04 | noarch | samba | < 2:4.13.14+dfsg-0ubuntu0.21.04.1 | UNKNOWN |
ubuntu | 21.10 | noarch | samba | < 2:4.13.14+dfsg-0ubuntu0.21.10.1 | UNKNOWN |
ubuntu | 22.04 | noarch | samba | < 2:4.13.14+dfsg-0ubuntu1 | UNKNOWN |
ubuntu | 22.10 | noarch | samba | < 2:4.13.14+dfsg-0ubuntu1 | UNKNOWN |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
77.2%