CVE-2019-7307 — Apport contains a TOCTTOU vulnerability when reading the users ~/.apport-ignore.xml

Affected: Ubuntu apport

Apport before versions 2.14.1-0ubuntu3.29+esm1, 2.20.1-0ubuntu2.19, 2.20.9-0ubuntu7.7, 2.20.10-0ubuntu27.1, 2.20.11-0ubuntu5 contained a TOCTTOU vulnerability when reading the users ~/.apport-ignore.xml file, which allows a local attacker to replace this file with a symlink to any other file on the system and so cause Apport to include the contents of this other file in the resulting crash report. The crash report could then be read by that user either by causing it to be uploaded and reported to Launchpad, or by leveraging some other vulnerability to read the resulting crash report, and so allow the user to read arbitrary files on the system.

USN-4051-1 — apport vulnerability

Affected: Ubuntu:16.04:LTS: apport, Ubuntu:18.04:LTS: apport

Kevin Backhouse discovered a race-condition when reading the user's local Apport configuration. This could be used by a local attacker to cause Apport to include arbitrary files in a resulting crash report.

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CVE-2019-7307 — Apport contains a TOCTTOU vulnerability when reading the users ~/.apport-ignore.xml

USN-4051-1 — apport vulnerability