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Ubuntu Security Notice USN-5584-1

Ubuntu Security Notice USN-5584-1
Posted Aug 29, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5584-1 - It was discovered that Schroot incorrectly handled certain Schroot names. An attacker could possibly use this issue to break schroot's internal state causing a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2022-2787
SHA-256 | a085a291d3bdbe1fdf919c2645df24cbb46222f28afb0ee7cb2d21a03cd241dd

Ubuntu Security Notice USN-5584-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5584-1
August 29, 2022

schroot vulnerability
==========================================================================

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM

Summary:

Schroot could be made to denial of service if certain
schroot names are used.

Software Description:
- schroot: Execute commands in a chroot environment

Details:

It was discovered that Schroot incorrectly handled certain Schroot names.
An attacker could possibly use this issue to break schroot's internal
state causing a denial of service.

Update instructions:

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

Ubuntu 22.04 LTS:
schroot 1.6.10-12ubuntu3.1

Ubuntu 20.04 LTS:
schroot 1.6.10-9ubuntu0.1

Ubuntu 18.04 LTS:
schroot 1.6.10-4ubuntu0.1

Ubuntu 16.04 ESM:
schroot 1.6.10-1ubuntu3+esm1

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

References:
https://ubuntu.com/security/notices/USN-5584-1
CVE-2022-2787

Package Information:
https://launchpad.net/ubuntu/+source/schroot/1.6.10-12ubuntu3.1
https://launchpad.net/ubuntu/+source/schroot/1.6.10-9ubuntu0.1
https://launchpad.net/ubuntu/+source/schroot/1.6.10-4ubuntu0.1
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