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nvd[email protected]NVD:CVE-2021-37750
HistoryAug 23, 2021 - 5:15 a.m.

CVE-2021-37750

2021-08-2305:15:08
CWE-476
web.nvd.nist.gov
8
mit kerberos 5
key distribution center
null pointer

CVSS2

4

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

6.5

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

0.004

Percentile

73.3%

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.

Affected configurations

Nvd
Node
mitkerberos_5Range<1.18.5
OR
mitkerberos_5Range1.19.01.19.3
Node
fedoraprojectfedoraMatch33
Node
debiandebian_linuxMatch9.0
Node
starwindsoftwarestarwind_virtual_sanMatchv8r1314338
Node
oraclecommunications_cloud_native_core_network_slice_selection_functionMatch22.1.0
VendorProductVersionCPE
mitkerberos_5*cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
starwindsoftwarestarwind_virtual_sanv8r13cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8r13:14338:*:*:*:*:*:*
oraclecommunications_cloud_native_core_network_slice_selection_function22.1.0cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:22.1.0:*:*:*:*:*:*:*

CVSS2

4

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

6.5

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

0.004

Percentile

73.3%