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CVE-2022-28736

Published: Jul 20, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-416
NVD MITRE
6.4CVSSMEDIUM
EPSS Score
0.3%
Top 79.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-after-free vulnerability is triggered. If an attacker can control the GRUB2's memory allocation pattern sensitive data may be exposed and arbitrary code execution can be achieved.

CVSS Vector Breakdown

AV:LAC:HPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

GNU GRUBGNU Project
Mixed
Operating Systems / unix-bsd
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
ОСОН ОСнова ОnyxАО «НППКТ»
On-premOS
Operating Systems / linux-distro
gnu projectoss-projectOperating Systemsaka gnu
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
red hat inc.commercialUSOperating Systemsaka red hat
ооо «ред софт»commercialRUOperating Systemsaka red soft
ао «нппкт»commercialRUOperating Systems
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.openwall.com/lists/oss-security/2022/06/07/5
openwall.com
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28736
cve.mitre.org
https://security.netapp.com/advisory/ntap-20230825-0002/
security.netapp.com
and 5 more references View all →

Timeline

Published
Jul 20, 2023
Last Updated
Nov 21, 2024

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