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CRLF Injection Affecting pypiserver package, versions [,1.2.6)

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 0.11% (45th percentile)
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NVD
6.1 medium

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  • Snyk ID SNYK-PYTHON-PYPISERVER-73607
  • published 25 Jan 2019
  • disclosed 25 Jan 2019
  • credit samwcyo
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Introduced: 25 Jan 2019

CVE-2019-6802 Open this link in a new tab
CWE-93 Open this link in a new tab

How to fix?

Upgrade pypiserver to version 1.2.6 or higher.

Overview

pypiserver is a minimal PyPI server for use with pip/easy_install.

Affected versions of this package are vulnerable to CRLF Injection. A malicious user could set arbitrary HTTP headers and possibly conduct XSS attacks via a %0d%0a in a URI.