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CVE-2020-7040

Published: 21 January 2020

storeBackup.pl in storeBackup through 3.5 relies on the /tmp/storeBackup.lock pathname, which allows symlink attacks that possibly lead to privilege escalation. (Local users can also create a plain file named /tmp/storeBackup.lock to block use of storeBackup until an admin manually deletes that file.)

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
storebackup
Launchpad, Ubuntu, Debian
focal
Released (3.2.1-1+deb8u1build0.20.04.1)
upstream Needed

xenial
Released (3.2.1-1+deb8u1build0.16.04.1)
bionic
Released (3.2.1-1+deb8u1build0.18.04.1)
disco Ignored
(end of life)
eoan Ignored
(end of life)
trusty Does not exist

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H