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

What is CVE-2021-46705?

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)

openSUSE Factory grub2 < 2.06-18.1

SUSE Linux Enterprise Server 15 SP4 grub2 < 2.06-150400.7.1

References

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

CVSS V3.1

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ludwig Nussel of SUSE
.