CVE-2024-49769

描述

Waitress is a Web Server Gateway Interface server for Python 2 and 3. When a remote client closes the connection before waitress has had the opportunity to call getpeername() waitress won't correctly clean up the connection leading to the main thread attempting to write to a socket that no longer exists, but not removing it from the list of sockets to attempt to process. This leads to a busy-loop calling the write function. A remote attacker could run waitress out of available sockets with very little resources required. Waitress 3.0.1 contains fixes that remove the race condition.

如何修補 CVE-2024-49769

要修補 CVE-2024-49769,請將受影響套件升級到下列已修補版本。

• —升級至 1.4.4-1.1+deb11u2 或更新版本
• —升級至 1.4.4-1.1+deb11u2 或更新版本
• —升級至 3.0.1 或更新版本
• —升級至 1ae4e894c9f76543bee06584001583fc6fa8c95c 或更新版本

CVE-2024-49769 正在被利用嗎?

低 — EPSS 為 1.4%,目前沒有觀察到大規模利用活動。

受影響套件(4)

• from 0, < 1.4.4-1.1+deb11u2
• from 0, < 1.4.4-1.1+deb11u2
• from 0, < 3.0.1
• from 0, < 1ae4e894c9f76543bee06584001583fc6fa8c95c | from 0, < 3.0.1

CVSS 分數

參考連結(9)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2024-49769
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2024-49769
• PATCHgithub.com/Pylons/waitress
• WEBgithub.com/Pylons/waitress/commit/1ae4e894c9f76543bee06584001583fc6fa8c95c
• WEB