CVE-2021-46705

grub2-once uses fixed file name in /var/tmp

State: Published
Severity: 5.1 Medium
Published: Mar 16, 2022
Updated: Sep 16, 2024
Reserved: Mar 9, 2022

Description

A Insecure Temporary File vulnerability in grub-once of grub2 in SUSE Linux Enterprise Server 15 SP4, openSUSE Factory allows local attackers to truncate arbitrary files. This issue affects: SUSE Linux Enterprise Server 15 SP4 grub2 versions prior to 2.06-150400.7.1. SUSE openSUSE Factory grub2 versions prior to 2.06-18.1.

Scores

CVSS	Score	Vector	Source
3.1	5.1 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L	suse

Weaknesses

CWE-377 Insecure Temporary File

Affected Products

Product	Versions
SUSE Linux Enterprise Server 15 SP4SUSE	grub2 to before 2.06-150400.7.1Affected
openSUSE FactorySUSE	grub2 to before 2.06-18.1Affected

References

https://bugzilla.suse.com/show_bug.cgi?id=1190474

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