Alpine: multiple grub packages: security update to 2.06-r12 (deprecated)

high Tenable Cloud Security Plugin ID 400074

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data
to be written in heap. To a successful to be performed the attacker needs to perform some triage over the
heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data
corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions
prior grub-2.12. (CVE-2021-3697)

See Also

https://git.alpinelinux.org/aports/commit/?id=dfb7bb57b18de26ece5b26d9e497efeeba70140a

https://git.alpinelinux.org/aports/commit/?id=fca813a8d64cb7d5b3c1851825f9216f68693196

Plugin Details

Severity: High

ID: 400074

Version: Revision 1.26

Type: Local

Published: 5/24/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.58

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.3

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-3697

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/24/2023

Vulnerability Publication Date: 6/16/2022

Reference Information

CVE: CVE-2021-3697