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Debian Security Advisory DSA 4358-1 (ruby-sanitize - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The Shopify Application Security Team discovered that ruby-sanitize, a whitelist-based HTML sanitizer, is prone to a HTML injection vulnerability. A specially crafted HTML fragment can cause to allow nonwhitelisted attributes to be used on a whitelisted HTML element.
Affected Software
Affected Software
ruby-sanitize on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (stretch), this problem has been fixed in version 2.1.0-2+deb9u1. We recommend that you upgrade your ruby-sanitize packages. For the detailed security status of ruby-sanitize please refer to its security tracker page linked in the references.