1. Ubuntu Security Notices
  2. USN-4508-1

USN-4508-1: StoreBackup vulnerability

Publication date

16 September 2020

Overview

StoreBackup could be made to stop executing or generate a race condition if it received a lock file in the default location.

Releases

Packages

  • storebackup - fancy compressing managing checksumming deduplicating hard-linkin

Details

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. (CVE-2020-7040)

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. (CVE-2020-7040)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal storebackup –  3.2.1-1+deb8u1build0.20.04.1
18.04 bionic storebackup –  3.2.1-1+deb8u1build0.18.04.1
16.04 xenial storebackup –  3.2.1-1+deb8u1build0.16.04.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›