漏洞信息
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Vulnerability Title
websocket-driver: Resource limit bypass via message compression
Vulnerability Description
### Impact
If this library is used in tandem with the `permessage-deflate` extension, a
WebSocket server or client can be made to accept messages that are larger than
the configured maximum message size. This is because this limit is checked
against the message frames' length headers, which give the size of the
compressed data, not the size after decompression. This can lead to applications
accepting larger messages than expected and exceeding their intended resource
usage.
### Patches
The issue has been patched in version 0.8.1, by checking the length of messages
after they are processed by incoming extensions. All users should upgrade to
this version.
### Workarounds
No known workarounds exist.
### Acknowledgements
This issue was discovered and reported by Pranjali Thakur, DepthFirst Security
Research Team.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
Vulnerability Type
不加限制或调节的资源分配
Vulnerability Title
faye websocket-driver 资源管理错误漏洞
Vulnerability Description
faye websocket-driver是faye团队的一个WebSocket协议驱动库。 faye websocket-driver 0.8.1之前版本存在资源管理错误漏洞,该漏洞源于在使用permessage-deflate扩展时,消息大小限制仅针对压缩数据长度进行检查,导致应用程序可能接受超出预期大小的消息,从而超出资源使用限制。
CVSS Information
N/A
Vulnerability Type
N/A