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Debian Security Advisory DSA 2738-1 (ruby1.9.1 - several vulnerabilities)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Several vulnerabilities have been discovered in the interpreter for the Ruby language, which may lead to denial of service and other security problems. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2013-1821 Ben Murphy discovered that unrestricted entity expansion in REXML can lead to a Denial of Service by consuming all host memory. CVE-2013-4073 William (B.J.) Snow Orvis discovered a vulnerability in the hostname checking in Ruby's SSL client that could allow man-in-the-middle attackers to spoof SSL servers via valid certificate issued by a trusted certification authority.
Affected Software
Affected Software
ruby1.9.1 on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the oldstable distribution (squeeze), these problems have been fixed in version 1.9.2.0-2+deb6u1. For the stable distribution (wheezy), these problems have been fixed in version 1.9.3.194-8.1+deb7u1. For the unstable distribution (sid), these problems have been fixed in version 1.9.3.194-8.2. We recommend that you upgrade your ruby1.9.1 packages.