# CVE-2021-3710: apport: An information disclosure via path traversal was discovered in apport/hookutils.py function read_file()

CVE-2021-3710 is fixed in 11 products on 1 platform, first by apport 2.20.9-0ubuntu7.26, released September 13, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-3710
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0046
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 13, 2021

## Description

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;

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | apport Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 |
| Linux | apport Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 |
| Linux | apport-gtk Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport-gtk 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-gtk-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 |
| Linux | apport-gtk Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport-gtk 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-gtk-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 |
| Linux | apport-kde Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport-kde 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-kde-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 |
| Linux | apport-kde Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport-kde 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-kde-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 |
| Linux | apport-noui Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport-noui 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-noui-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 |
| Linux | apport-noui Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport-noui 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-noui-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 |
| Linux | apport-retrace Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport-retrace 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-retrace-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 |
| Linux | apport-retrace Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport-retrace 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-retrace-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 |
| Linux | apport-valgrind Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport-valgrind 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-valgrind-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 |
| Linux | apport-valgrind Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport-valgrind 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-valgrind-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 |
| Linux | dh-apport Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [dh-apport 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dh-apport-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 |
| Linux | dh-apport Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [dh-apport 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-dh-apport-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 |
| Linux | python-apport Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [python-apport 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-apport-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 |
| Linux | python-problem-report Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [python-problem-report 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-problem-report-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 |
| Linux | python3-apport Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [python3-apport 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-apport-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 |
| Linux | python3-apport Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [python3-apport 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-apport-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 |
| Linux | python3-problem-report Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [python3-problem-report 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-problem-report-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 |
| Linux | python3-problem-report Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [python3-problem-report 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-problem-report-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 |

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