Ubuntu Security Notice 5077-1 - Maik Münch and Stephen Roettger discovered that Apport incorrectly handled certain information gathering operations. A local attacker could use this issue to gain read access to arbitrary files, possibly containing sensitive information.
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Ubuntu Security Notice USN-5077-1
September 14, 2021
apport vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
Several security issues were fixed in Apport.
Software Description:
- apport: automatically generate crash reports for debugging
Details:
Maik Münch and Stephen Röttger discovered that Apport incorrectly handled
certain information gathering operations. A local attacker could use this
issue to gain read access to arbitrary files, possibly containing sensitive
information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 21.04:
apport 2.20.11-0ubuntu65.3
python3-apport 2.20.11-0ubuntu65.3
Ubuntu 20.04 LTS:
apport 2.20.11-0ubuntu27.20
python3-apport 2.20.11-0ubuntu27.20
Ubuntu 18.04 LTS:
apport 2.20.9-0ubuntu7.26
python-apport 2.20.9-0ubuntu7.26
python3-apport 2.20.9-0ubuntu7.26
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5077-1
CVE-2021-3709, CVE-2021-3710
Package Information:
https://launchpad.net/ubuntu/+source/apport/2.20.11-0ubuntu65.3
https://launchpad.net/ubuntu/+source/apport/2.20.11-0ubuntu27.20
https://launchpad.net/ubuntu/+source/apport/2.20.9-0ubuntu7.26