========================================================================== Ubuntu Security Notice USN-7150-1 December 11, 2024
python-tornado vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Several security issues were fixed in Tornado. Software Description: - python-tornado: scalable, non-blocking web server and tools Details: It was discovered that Tornado incorrectly handled a certain redirect. A remote attacker could possibly use this issue to redirect a user to an arbitrary web site and conduct a phishing attack by having the user access a specially crafted URL. This issue was only addressed in Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS. Ubuntu 16.04 LTS was previously addressed in USN-6159-1. (CVE-2023-28370) It was discovered that Tornado inefficiently handled requests when parsing cookies. An attacker could possibly use this issue to increase resource utilization leading to a denial of service. (CVE-2024-52804) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 24.10 python3-tornado 6.4.1-2ubuntu0.1 Ubuntu 24.04 LTS python3-tornado 6.4.0-1ubuntu0.1 Ubuntu 22.04 LTS python3-tornado 6.1.0-3ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 20.04 LTS python3-tornado 6.0.3+really5.1.1-3ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 18.04 LTS python-tornado 4.5.3-1ubuntu0.2+esm1 Available with Ubuntu Pro python3-tornado 4.5.3-1ubuntu0.2+esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7150-1 CVE-2023-28370, CVE-2024-52804 Package Information: https://launchpad.net/ubuntu/+source/python-tornado/6.4.1-2ubuntu0.1 https://launchpad.net/ubuntu/+source/python-tornado/6.4.0-1ubuntu0.1
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