Lucene search

K
redosRedosROS-20240403-05
HistoryApr 03, 2024 - 12:00 a.m.

ROS-20240403-05

2024-04-0300:00:00
redos.red-soft.ru
1
vulnerability
grub2
font processing
arbitrary code execution
buffer boundaries
memory
exploitation
unicode sequences

8.6 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

Low

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

22.3%

Vulnerability of grub_font_construct_glyph() function of Grub2 operating systems loader is related to the output of the
operation outside the memory buffer when processing specially designed fonts in pf2 format.
Exploitation of the vulnerability may allow an attacker to execute arbitrary code

Grub2 operating system loader vulnerability is related to an operation overrunning buffer boundaries in memory
when rendering some Unicode sequences with a specially designed font. Exploitation
exploitation of the vulnerability could allow an attacker to execute arbitrary code

OSVersionArchitecturePackageVersionFilename
redos7.3x86_64grub2-common<= 2.06-63UNKNOWN

8.6 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

Low

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

22.3%