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[SECURITY] [DLA 2864-1] ruby-haml security update



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Debian LTS Advisory DLA-2864-1              debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Utkarsh Gupta
December 29, 2021                           https://wiki.debian.org/LTS
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Package        : ruby-haml
Version        : 4.0.7-1+deb9u1
CVE ID         : CVE-2017-1002201

In ruby-haml, which is an elegant, structured XHTML/XML templating
engine, when using user input to perform tasks on the server,
characters like < > " ' must be escaped properly. In this case,
the ' character was missed. An attacker can manipulate the input to
introduce additional attributes, potentially executing code.

For Debian 9 stretch, this problem has been fixed in version
4.0.7-1+deb9u1.

We recommend that you upgrade your ruby-haml packages.

For the detailed security status of ruby-haml please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/ruby-haml

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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