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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1523 USN-3964-1: python-gnupg vulnerabilities 3 May 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: python-gnupg Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Access Confidential Data -- Existing Account Provide Misleading Information -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-6690 CVE-2018-12020 Reference: ESB-2019.0477 ESB-2018.1722 Original Bulletin: https://usn.ubuntu.com/3964-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3964-1: python-gnupg vulnerabilities 2 May 2019 python-gnupg vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.04 o Ubuntu 18.10 o Ubuntu 18.04 LTS Summary Several security issues were fixed in python-gnupg Software Description o python-gnupg - Python wrapper for the GNU Privacy Guard Details Marcus Brinkmann discovered that GnuPG before 2.2.8 improperly handled certain command line parameters. A remote attacker could use this to spoof the output of GnuPG and cause unsigned e-mail to appear signed. (CVE-2018-12020) It was discovered that python-gnupg incorrectly handled the GPG passphrase. A remote attacker could send a specially crafted passphrase that would allow them to control the output of encryption and decryption operations. (CVE-2019-6690) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 python-gnupg - 0.4.3-1ubuntu1.19.04.1 python3-gnupg - 0.4.3-1ubuntu1.19.04.1 Ubuntu 18.10 python-gnupg - 0.4.1-1ubuntu1.18.10.1 python3-gnupg - 0.4.1-1ubuntu1.18.10.1 Ubuntu 18.04 LTS python-gnupg - 0.4.1-1ubuntu1.18.04.1 python3-gnupg - 0.4.1-1ubuntu1.18.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades . In general, a standard system update will make all the necessary changes. References o CVE-2018-12020 o CVE-2019-6690 - --------------------------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. 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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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