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CVE-2023-40551

Shim: out of bounds read when parsing mz binaries

Published: Jan 29, 2024Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-125
NVD MITRE
5.1CVSSMEDIUM
EPSS Score
0.4%
Top 69.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A flaw was found in the MZ binary format in Shim. An out-of-bounds read may occur, leading to a crash or possible exposure of sensitive data during the system's boot phase.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:LI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-125

Affected Products

Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Альт 8 СПАО «ИВК»
On-premOS
Operating Systems / linux-distro
АЛЬТ СП 10АО «ИВК»
On-premOS
Operating Systems / linux-distro
red hat inc.commercialUSOperating Systemsaka red hat
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «ред софт»commercialRUOperating Systemsaka red soft
ао «ивк»commercialRUOperating Systemsaka ivk
and 17 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://bugzilla.redhat.com/show_bug.cgi?id=2259918
bugzilla.redhat.com
https://github.com/rhboot/shim/commit/5a5147d1e19cf90ec280990c84061ac3f67ea1ab
github.com
https://redos.red-soft.ru/support/secure/
redos.red-soft.ru
and 14 more references View all →

Timeline

Published
Jan 29, 2024
Last Updated
Nov 21, 2024

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