Race condition in apport (Ubuntu package) - CVE-2019-11482

 

Race condition in apport (Ubuntu package) - CVE-2019-11482

Published: November 5, 2019


Vulnerability identifier: #VU22530
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-11482
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a race condition. A local user can force the Apport application to generate a crash report for a privileged process and make it readable to an unprivileged user.


Affected software

apport (Ubuntu package)
python3-apport (Ubuntu package)
python-apport (Ubuntu package)
Ubuntu

How to mitigate CVE-2019-11482


apport (Ubuntu package) - addressed in versions 2.20.1-0ubuntu2.21, 2.20.9-0ubuntu7.9, 2.20.10-0ubuntu27.3, 2.20.11-0ubuntu8.2, 2.20.1-0ubuntu2.22, 2.20.1-0ubuntu2.27, 2.20.9-0ubuntu7.12, 2.20.9-0ubuntu7.20, 2.20.11-0ubuntu8.6, 2.20.11-0ubuntu27.12, 2.20.11-0ubuntu50.1
python3-apport (Ubuntu package) - addressed in versions 2.14.1-0ubuntu3.29+esm3, 2.20.1-0ubuntu2.27, 2.20.9-0ubuntu7.20, 2.20.11-0ubuntu27.12, 2.20.11-0ubuntu50.1
python-apport (Ubuntu package) - addressed in versions 2.20.1-0ubuntu2.27, 2.20.9-0ubuntu7.20

External References

Related Security Bulletins