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[SECURITY] [DSA 4171-1] ruby-loofah security update

Posted on 13 April 2018
Debian Security Advisory

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Debian Security Advisory DSA-4171-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
April 13, 2018 https://www.debian.org/security/faq
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Package : ruby-loofah
CVE ID : CVE-2018-8048
Debian Bug : 893596

The Shopify Application Security Team reported that ruby-loofah, a
general library for manipulating and transforming HTML/XML documents and
fragments, allows non-whitelisted attributes to be present in sanitized
output when input with specially-crafted HTML fragments. This might
allow to mount a code injection attack into a browser consuming
sanitized output.

For the stable distribution (stretch), this problem has been fixed in
version 2.0.3-2+deb9u1.

We recommend that you upgrade your ruby-loofah packages.

For the detailed security status of ruby-loofah please refer to its
security tracker page at:

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

Mailing list: debian-security-announce@lists.debian.org