CVE-2021-3709 - CVE House
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Status published Medium CVE-2021-3709

Apport file permission bypass through emacs byte compilation errors

Vulnerability Description

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;

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Maik Münch (maik@secfault-security.com)(@fktio)

References

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Affected Vendor

Affected Software

apport
Vulnerable Versions:
2.14.1, 2.20.1, 2.20.9, 2.20.11

Timeline

Official Publish: October 1st, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Weaknesses (CWE)

CWE-538

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.