PT-2022-12908 · Grub2 · Grub2

Ludwig Nussel · Published 2022-03-16 · Updated 2024-07-31 · CVE-2021-46705

Positive Technologies (AI Summary)

CVSS v3.1

5.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions grub2 versions prior to 2.06-150400.7.1 grub2 versions prior to 2.06-18.1

Description A local attacker can exploit an Insecure Temporary File vulnerability in grub-once of grub2 to truncate arbitrary files.

Recommendations For SUSE Linux Enterprise Server 15 SP4, update to a version after 2.06-150400.7.1. For SUSE openSUSE Factory, update to a version after 2.06-18.1.

Exploit

Fix

Weakness Enumeration

CWE-377

Related Identifiers

CVE-2021-46705

OPENSUSE-SU-2024:11926-1

ROSA-SA-2024-2461

Affected Products

Grub2

References · 6

• 🔥 https://bugzilla.suse.com/show_bug.cgi?id=1190474 · Exploit
• https://osv.dev/vulnerability/openSUSE-SU-2024:11926-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46705 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46705 · Vendor Advisory
• https://suse.com/security/cve/CVE-2021-46705 · Note
• https://t.me/cibsecurity/39018 · Telegram Post