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Debian Security Advisory DSA 3168-1 (ruby-redcloth - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Kousuke Ebihara discovered that redcloth, a Ruby module used to convert Textile markup to HTML, did not properly sanitize its input. This allowed a remote attacker to perform a cross-site scripting attack by injecting arbitrary JavaScript code into the generated HTML.
Insight
Insight
Textile is a very simple text format, intended for making readable text that can be converted to HTML, and used in docs, blogs, and Wiki pages.
Affected Software
Affected Software
ruby-redcloth 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 (wheezy), this problem has been fixed in version 4.2.9-2+deb7u2. For the unstable distribution (sid), this problem has been fixed in version 4.2.9-4. We recommend that you upgrade your ruby-redcloth packages.