漏洞信息
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Vulnerability Title
py7zr: Decompression bomb (zip bomb) denial of service via unchecked extraction size
Vulnerability Description
py7zr is a Python-based library and utility to support 7zip archive compression, decompression, encryption and decryption. Prior to 1.1.3, py7zr's Worker.decompress() extracted archive entries without tracking total decompressed size, allowing a crafted .7z file such as a 15.6 KB archive that expands to 100 MB to exhaust disk or memory before extraction completes. This issue is fixed in version 1.1.3.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Vulnerability Type
对高度压缩数据的处理不恰当(数据放大攻击)
Vulnerability Title
Hiroshi Miura py7zr 资源管理错误漏洞
Vulnerability Description
Hiroshi Miura py7zr是日本Hiroshi Miura个人开发者的一个7z文件压缩解压的Python库。 Hiroshi Miura py7zr 1.1.3之前版本存在资源管理错误漏洞,该漏洞源于Worker.decompress()函数提取存档条目时未跟踪总解压大小,可能导致磁盘或内存耗尽。
CVSS Information
N/A
Vulnerability Type
N/A