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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1383 USN-4333-1: Python vulnerabilities 22 April 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Python Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Denial of Service -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-8492 CVE-2019-18348 Reference: ESB-2020.1035 ESB-2020.0765 Original Bulletin: https://usn.ubuntu.com/4333-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4333-1: Python vulnerabilities 21 April 2020 python2.7, python3.4, python3.5, python3.6, python3.7 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.10 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS o Ubuntu 14.04 ESM o Ubuntu 12.04 ESM Summary Several security issues were fixed in Python. Software Description o python3.7 - An interactive high-level object-oriented language o python2.7 - An interactive high-level object-oriented language o python3.6 - An interactive high-level object-oriented language o python3.5 - An interactive high-level object-oriented language o python3.4 - An interactive high-level object-oriented language Details It was discovered that Python incorrectly stripped certain characters from requests. A remote attacker could use this issue to perform CRLF injection. (CVE-2019-18348) It was discovered that Python incorrectly handled certain HTTP requests. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-8492) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 python3.7 - 3.7.5-2~19.10ubuntu1 python3.7-minimal - 3.7.5-2~19.10ubuntu1 Ubuntu 18.04 LTS python2.7 - 2.7.17-1~18.04ubuntu1 python2.7-minimal - 2.7.17-1~18.04ubuntu1 python3.6 - 3.6.9-1~18.04ubuntu1 python3.6-minimal - 3.6.9-1~18.04ubuntu1 Ubuntu 16.04 LTS python2.7 - 2.7.12-1ubuntu0~16.04.11 python2.7-minimal - 2.7.12-1ubuntu0~16.04.11 python3.5 - 3.5.2-2ubuntu0~16.04.10 python3.5-minimal - 3.5.2-2ubuntu0~16.04.10 Ubuntu 14.04 ESM python2.7 - 2.7.6-8ubuntu0.6+esm5 python2.7-minimal - 2.7.6-8ubuntu0.6+esm5 python3.4 - 3.4.3-1ubuntu1~14.04.7+esm6 python3.4-minimal - 3.4.3-1ubuntu1~14.04.7+esm6 Ubuntu 12.04 ESM python2.7 - 2.7.3-0ubuntu3.17 python2.7-minimal - 2.7.3-0ubuntu3.17 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-2019-18348 o CVE-2020-8492 - --------------------------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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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXp+OGGaOgq3Tt24GAQiEoQ/9FVVMk7KrkVfmkbVWyfb/ZkMxSQTfw65X k46EdxHULWYk8xWapXN3vs4IZDNwY0lzV8BF4NNOH7evVFycpGzQ9n+TDB1dPoOO YLpPdl06Y13rF2Zbb2M9HxikQHeWhtCfafH1bVfGOXPMkqPiLtoEzvJIkFOzWjm/ 0isB+0UD3tpkQtqy2tkcrk2BGYq7ME2xlwG5dfQ9MgIst80XqlHb4n2Te1+11CLX O0QYSCoB69PEGXMD3ztGeumJ5NfSrFivBKM0PoinZ+cWmn4Cnqq3zm3G41emwZGc 1zfPm6NdJidKWe9k2iP2JhS5oVRqqs91reggI4PR1IZRHDDALrdI3AehFVfYjICB 5dcZOencPgDlZVms+q7Gkzxj+mwYtelbaWSOyAuhifs6k1kUvRp07lYEp6xTb5Pb h57lw1E3Y3GDZNz0tBnV5Xcs0KEQ87VUN+RttQdUiJLTeF8elHZxUUTVp6r1qfbZ HOjhxR92+kmmgsNx1nZ6D4rgcxVTgq9BM6AxLKKk27izBFsEkz/5b2cljI/QiFuK 9odEpf1n8je++QK9/46OMZGf4GnKK2/BHZMo9aktje+Y0iUxYGpVb5XzJwSPsZTp BF60y8NeOyVdhl0dlvOVbAX9tfLzzGMZf7Uyl6LudpJmaIN3R29t1hnabsObSags APmQpcfD1AM= =beiR -----END PGP SIGNATURE-----