Debian: DSA-2738-1 Critical: Ruby1.9.1 Remote SSL Spoofing, DoS
debian
August 18, 2013
Several vulnerabilities have been discovered in the interpreter for the Ruby language, which may lead to denial of service and other security problems
Topics Covered
Summary
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.
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.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/
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Package: ruby1.9.1
CVE ID: CVE-2013-1821 CVE-2013-4073
Topics Covered
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