
CVE-2021-3899 – Ubuntu Security Notice USN-6894-1
https://notcve.org/view.php?id=CVE-2021-3899
17 May 2022 — There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root. Existe una condición de ejecución en la detección de 'ejecutable reemplazado' que, con la configuración local correcta, permite a un atacante ejecutar código arbitrario como root. Muqing Liu and neoni discovered that Apport incorrectly handled detecting if an executable was replaced after a crash. A local attacker could possibly use this issue to e... • https://github.com/liumuqing/CVE-2021-3899_PoC • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •

CVE-2021-3710 – Apport info disclosure via path traversal bug in read_file
https://notcve.org/view.php?id=CVE-2021-3710
01 Oct 2021 — An information disclosure via path traversal was discovered in apport/hookutils.py function read_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; Se ha detectado una divulgación de información por medio de un salto de ruta en la función read_file() del archivo apport/hookutils.py. Este... • https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1933832 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE-24: Path Traversal: '../filedir' •

CVE-2021-3709 – Apport file permission bypass through emacs byte compilation errors
https://notcve.org/view.php?id=CVE-2021-3709
14 Sep 2021 — 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; La función check_attachment_for_errors() en el archivo data/general-hooks/ubuntu.py podría ser ... • https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1934308 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE-538: Insertion of Sensitive Information into Externally-Accessible File or Directory •

CVE-2020-15701 – Unhandled exception in apport
https://notcve.org/view.php?id=CVE-2020-15701
05 Aug 2020 — An unhandled exception in check_ignored() in apport/report.py can be exploited by a local attacker to cause a denial of service. If the mtime attribute is a string value in apport-ignore.xml, it will trigger an unhandled exception, resulting in a crash. Fixed in 2.20.1-0ubuntu2.24, 2.20.9-0ubuntu7.16, 2.20.11-0ubuntu27.6. Un atacante local puede explotar una excepción no manejada en la función check_ignored() en el archivo apport/report.py para causar una denegación de servicio. Si el atributo mtime es un v... • https://launchpad.net/bugs/1877023 • CWE-755: Improper Handling of Exceptional Conditions •

CVE-2020-15702 – TOCTOU in apport
https://notcve.org/view.php?id=CVE-2020-15702
05 Aug 2020 — TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the crashed process, which can then be used to escalate privileges. Fixed in 2.20.1-0ubuntu2.24, 2.20.9 versions prior to 2.20.9-0ubuntu7.16 and 2.20.11 versions prior to 2.20.11-0ubuntu27.6. Was ZDI-CAN-11234. La vulnerabilidad de Condición de Carrera TOCTOU en apport permite a... • https://usn.ubuntu.com/4449-1 • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition •