Stay Secure with the Latest Linux Advisories

security advisorycriticalremote access

Ubuntu 21.04 USN-4975-1 Critical: Django Path Sanitation Flaws

Several security issues were fixed in Django.. =========================================================================Ubuntu Security Notice USN-4975-1 June 02, 2021 python-django vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.04 - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Several security issues were fixed in Django. Software Description: - python-django: High-level Python web development framework Details: It was discovered that the Django URLValidator function incorrectly handled newlines and tabs. A remote attacker could possibly use this issue to perform a header injection attack. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-32052) Rasmus Lerchedahl Petersen and Rasmus Wriedt Larsen discovered that Django incorrectly handled path sanitation in admindocs. A remote attacker could possibly use this issue to determine the existence of arbitrary files and in certain configurations obtain their contents. (CVE-2021-33203) It was discovered that Django incorrectly handled IPv4 addresses with leading zeros. A remote attacker could possibly use this issue to perform a wide variety of attacks, including bypassing certain access restrictions. (CVE-2021-33571) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: python3-django 2:2.2.20-1ubuntu0.2 Ubuntu 20.10: python3-django 2:2.2.16-1ubuntu0.5 Ubuntu 20.04 LTS: python3-django 2:2.2.12-1ubuntu0.7 Ubuntu 18.04 LTS: python-django 1:1.11.11-1ubuntu1.14 python3-django 1:1.11.11-1ubuntu1.14 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4975-1 CVE-2021-32052,CVE-2021-33203, CVE-2021-33571 Package Information: https://launchpad.net/ubuntu/+source/python-django/2:2.2.20-1ubuntu0.2 https://launchpad.net/ubuntu/+source/python-django/2:2.2.16-1ubuntu0.5 https://launchpad.net/ubuntu/+source/python-django/2:2.2.12-1ubuntu0.7 https://launchpad.net/ubuntu/+source/python-django/1:1.11.11-1ubuntu1.14 . Stay updated with critical Django updates for Ubuntu 20.04 and later. Ensure your installations are secure and perform regular system checks now. Django Issues, Ubuntu Security, Remote Access Attacks. . Severity: Critical. LinuxSecurity.com Team

Jun 02, 2021 •Critical Ubuntu