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CVE-2021-37750

Published: Aug 23, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-476
6.5MEDIUM
NVD MITRE
EPSS Score
2.2%
Top 19.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-476

Affected Products

MIT
oss-project·USaka mit kerberos, mit krb5
kerberos 5On-prem
Operating Systems
KerberosOn-prem
Security Products / pki-crypto
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
starwindsoftware
commercialaka starwind san & nas, starwind virtual san, command center
starwind virtual sanOn-prem
Cloud & SaaS / virtualization
oracle
commercial·USaka oracle corp.
communications cloud native core network slice selection functionOn-premWeb App
Communications
АО «ИВК»
commercial·RUaka ivk
Альт 8 СПOn-premOS
Operating Systems / linux-distro
and 2 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49
github.com
https://github.com/krb5/krb5/releases
github.com
https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
lists.debian.org
and 20 more references View all →

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