Ubuntu Security Notice USN-4508-1 ≈ Packet Storm – Digitalmunition




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Published on September 17th, 2020 📆 | 5127 Views ⚑

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Ubuntu Security Notice USN-4508-1 ≈ Packet Storm

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Ubuntu Security Notice USN-4508-1
September 16, 2020

storebackup vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

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

Software Description:
– 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)

Update instructions:

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

Ubuntu 20.04 LTS:
storebackup 3.2.1-1+deb8u1build0.20.04.1

Ubuntu 18.04 LTS:
storebackup 3.2.1-1+deb8u1build0.18.04.1

Ubuntu 16.04 LTS:
storebackup 3.2.1-1+deb8u1build0.16.04.1

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

References:
https://usn.ubuntu.com/4508-1
CVE-2020-7040

Package Information:

https://launchpad.net/ubuntu/+source/storebackup/3.2.1-1+deb8u1build0.20.04.1

https://launchpad.net/ubuntu/+source/storebackup/3.2.1-1+deb8u1build0.18.04.1

https://launchpad.net/ubuntu/+source/storebackup/3.2.1-1+deb8u1build0.16.04.1

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