Debian Security Advisory
DSA-2738-1 ruby1.9.1 -- several vulnerabilities
- Date Reported:
- 18 Aug 2013
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 702525, Bug 714543.
In Mitre's CVE dictionary: CVE-2013-1821, CVE-2013-4073.
- More information:
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:
Ben Murphy discovered that unrestricted entity expansion in REXML can lead to a Denial of Service by consuming all host memory.
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 220.127.116.11-2+deb6u1.
For the stable distribution (wheezy), these problems have been fixed in version 18.104.22.168-8.1+deb7u1.
For the unstable distribution (sid), these problems have been fixed in version 22.214.171.124-8.2.
We recommend that you upgrade your ruby1.9.1 packages.