CVE-2021-3671
Description
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.
References
Broken LinkIssue Tracking
Broken LinkIssue Tracking
PatchThird Party Advisory
CvssV3 impact
BaseSeverity | MEDIUM |
ConfidentialityImpact | NONE |
AttackComplexity | LOW |
Scope | UNCHANGED |
AttackVector | NETWORK |
AvailabilityImpact | HIGH |
IntegrityImpact | NONE |
PrivilegesRequired | LOW |
BaseScore | 6.5 |
VectorString | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Version | 3.1 |
UserInteraction | NONE |
CvssV2 impact
AccessComplexity | LOW |
ConfidentialityImpact | NONE |
AvailabilityImpact | PARTIAL |
IntegrityImpact | NONE |
BaseScore | 4 |
VectorString | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Version | 2.0 |
AccessVector | NETWORK |
Authentication | SINGLE |