Important: python-twisted-web

Issue Overview:

In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with a content-length and a chunked encoding header, the content-length took precedence and the remainder of the request body was interpreted as a pipelined request. (CVE-2020-10109)

In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with two content-length headers, it ignored the first header. When the second content-length value was set to zero, the request body was interpreted as a pipelined request. (CVE-2020-10108)

Affected Packages:

python-twisted-web

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update python-twisted-web to update your system.

New Packages:

aarch64:  
    python-twisted-web-12.1.0-7.amzn2.aarch64  
  
i686:  
    python-twisted-web-12.1.0-7.amzn2.i686  
  
src:  
    python-twisted-web-12.1.0-7.amzn2.src  
  
x86_64:  
    python-twisted-web-12.1.0-7.amzn2.x86_64  

Additional References

Red Hat: CVE-2020-10108, CVE-2020-10109

Mitre: CVE-2020-10108, CVE-2020-10109