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CVE-2020-7040

Status Candidate

Overview

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.)

Related Files

Ubuntu Security Notice USN-4508-1
Posted Sep 16, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4508-1 - It was discovered that StoreBackup did not properly manage lock files. A local attacker could use this issue to cause a denial of service or escalate privileges and run arbitrary code.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2020-7040
SHA-256 | f62b15c1dbb028a8d75a166252979fa71b09b0d3a10e31191e0fcd5eb314597d
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