漏洞信息
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Vulnerability Title
urllib3: Decompression-bomb safeguards bypassed in parts of the streaming API
Vulnerability Description
urllib3 is an HTTP client library for Python. From 2.6.0 to before 2.7.0, urllib3 could decompress the whole response instead of the requested portion (1) during the second HTTPResponse.read(amt=N) call when the response was decompressed using the official Brotli library or (2) when HTTPResponse.drain_conn() was called after the response had been read and decompressed partially (compression algorithm did not matter here). These issues could cause urllib3 to fully decode a small amount of highly compressed data in a single operation. This could result in excessive resource consumption (high CPU usage and massive memory allocation for the decompressed data) on the client side. This vulnerability is fixed in 2.7.0.
CVSS Information
N/A
Vulnerability Type
对高度压缩数据的处理不恰当(数据放大攻击)
Vulnerability Title
urllib3 安全漏洞
Vulnerability Description
urllib3是urllib3开源的一款Python HTTP库。该产品具有线程安全连接池、文件发布支持等。 urllib3 2.6.0版本至2.7.0之前版本存在安全漏洞,该漏洞源于在第二次HTTPResponse.read调用或drain_conn调用时可能解压缩整个响应而非请求部分,导致客户端资源过度消耗。
CVSS Information
N/A
Vulnerability Type
N/A