ALAS2-2020-1428

Related Vulnerabilities: CVE-2020-10108   CVE-2020-10109  

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)

ALAS2-2020-1428


Amazon Linux 2 Security Advisory: ALAS-2020-1428
Advisory Release Date: 2020-05-19 18:32 Pacific
Advisory Updated Date: 2020-05-20 20:18 Pacific
Severity: Important

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


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