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

CVE-2021-46705

5.1MEDIUM

Key Information

Vendor: Suse
Status: Suse Linux Enterprise Server 15 Sp4; Opensuse Factory
Vendor: CVE Published:; 16 March 2022

Summary

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.

Affected Version(s)

SUSE Linux Enterprise Server 15 SP4 < 2.06-150400.7.1

openSUSE Factory < 2.06-18.1

CVSS V3.1

Score:

5.1

Severity:

MEDIUM

Confidentiality:

None

Integrity:

Low

Availability:

Low

Attack Vector:

Local

Attack Complexity:

Low

Privileges Required:

None

User Interaction:

None

Scope:

Unchanged

Timeline

Risk change from: 4.4 to: 5.1 - (MEDIUM)
Feb 22, 2024
Vulnerability published.
Mar 16, 2022
Vulnerability Reserved.
Mar 9, 2022

Collectors

NVD DatabaseMitre Database

Credit

Ludwig Nussel of SUSE