CVE-2021-3709

Function check_attachment_for_errors() in file data/general-hooks/ubuntu.py could be tricked into exposing private data via a constructed crash file. This issue affects: apport 2.14.1 versions prior to 2.14.1-0ubuntu3.29+esm8; 2.20.1 versions prior to 2.20.1-0ubuntu2.30+esm2; 2.20.9 versions prior to 2.20.9-0ubuntu7.26; 2.20.11 versions prior to 2.20.11-0ubuntu27.20; 2.20.11 versions prior to 2.20.11-0ubuntu65.3;

Weakness

The product places sensitive information into files or directories that are accessible to actors who are allowed to have access to the files, but not to the sensitive information.

Affected Software

Potential Mitigations

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/95.html

References

• https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1934308
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3709
• https://ubuntu.com/security/notices/USN-5077-1
• https://ubuntu.com/security/notices/USN-5077-2
• https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1934308
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3709
• https://ubuntu.com/security/notices/USN-5077-1
• https://ubuntu.com/security/notices/USN-5077-2