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debianDebianDEBIAN:DLA-3605-1:1153C
HistoryOct 05, 2023 - 9:46 p.m.

[SECURITY] [DLA 3605-1] grub2 security update

2023-10-0521:46:52
lists.debian.org
9
out-of-bounds write
buffer overflow
grub2
debian 10 buster
security update

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.5%


Debian LTS Advisory DLA-3605-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
October 06, 2023 https://wiki.debian.org/LTS


Package : grub2
Version : 2.06-3~deb10u4
CVE ID : CVE-2023-4692 CVE-2023-4693

A couple of security issues were reported in grub2 package, which is
GRand Unified Bootloader v2, that could cause out-of-bounds write and
heap-based buffer overflow.

For Debian 10 buster, these problems have been fixed in version
2.06-3~deb10u4.

We recommend that you upgrade your grub2 packages.

For the detailed security status of grub2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/grub2

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.5%