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vulnrichmentRedhatVULNRICHMENT:CVE-2023-40549
HistoryJan 29, 2024 - 4:29 p.m.

CVE-2023-40549 Shim: out-of-bounds read in verify_buffer_authenticode() malformed pe file

2024-01-2916:29:26
CWE-125
redhat
github.com
1
cve-2023-40549
shim
out-of-bounds read
verify_buffer_authenticode
malformed pe file
denial of service

CVSS3

6.2

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

6.5

Confidence

Low

SSVC

Exploitation

none

Automatable

no

Technical Impact

partial

JSON

An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.

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CVE-2023-40549 affecting package shim for versions less than 15.8-1
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CVSS3

6.2

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

6.5

Confidence

Low

SSVC

Exploitation

none

Automatable

no

Technical Impact

partial

JSON
Related for VULNRICHMENT:CVE-2023-40549
cve1redhatcve1nvd1ubuntucve1debiancve1nessus26osv4prion1cvelist1cbl_mariner2openvas14fedora3debian1redhat9oraclelinux3almalinux2redos1thn1ibm2photon1