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redosRedosROS-20240208-02
HistoryFeb 08, 2024 - 12:00 a.m.

ROS-20240208-02

2024-02-0800:00:00
redos.red-soft.ru
12
uefi
shim loader
buffer boundaries
memory
efi files
exploitation
arbitrary code
denial of service

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

21.8%

Vulnerability of handle_image() function of UEFI shim loader is related to operation overrun of buffer boundaries in memory when processing EFI files taking into account SizeOfRawData field.
when processing EFI files with SizeOfRawData field. Exploitation of the vulnerability could allow
an attacker to execute arbitrary code or cause a denial of service

OSVersionArchitecturePackageVersionFilename
redos7.3x86_64shim-x64<= 15.6-3.3UNKNOWN

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

4.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:M/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

21.8%