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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3020 USN-4449-2: Apport vulnerabilities 3 September 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Apport Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Increased Privileges -- Existing Account Denial of Service -- Existing Account Read-only Data Access -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-15702 CVE-2020-15701 CVE-2020-11936 Reference: ESB-2020.2671 Original Bulletin: https://usn.ubuntu.com/4449-2/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4449-2: Apport vulnerabilities 02 September 2020 Several security issues were fixed in Apport. Releases o Ubuntu 14.04 ESM Packages o apport - automatically generate crash reports for debugging Details USN-4449-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Ryota Shiga working with Trend Micro s Zero Day Initiative, discovered that Apport incorrectly dropped privileges when making certain D-Bus calls. A local attacker could use this issue to read arbitrary files. (CVE-2020-11936) Seong-Joong Kim discovered that Apport incorrectly parsed configuration files. A local attacker could use this issue to cause Apport to crash, resulting in a denial of service. (CVE-2020-15701) Ryota Shiga working with Trend Micro s Zero Day Initiative, discovered that Apport incorrectly implemented certain checks. A local attacker could use this issue to escalate privileges and run arbitrary code. (CVE-2020-15702) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 o apport - 2.14.1-0ubuntu3.29+esm5 o python-apport - 2.14.1-0ubuntu3.29+esm5 o python3-apport - 2.14.1-0ubuntu3.29+esm5 In general, a standard system update will make all the necessary changes. References o CVE-2020-11936 o CVE-2020-15701 o CVE-2020-15702 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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