Debian: DSA-2809-1: ruby1.8 security update

    Date04 Dec 2013
    CategoryDebian
    25
    Posted ByLinuxSecurity Advisories
    Several vulnerabilities have been discovered in the interpreter for the Ruby language. The Common Vulnerabilities and Exposures project identifies the following problems:
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-2809-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                      Salvatore Bonaccorso
    December 04, 2013                      http://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : ruby1.8
    Vulnerability  : several
    Problem type   : remote
    Debian-specific: no
    CVE ID         : CVE-2013-1821 CVE-2013-4073 CVE-2013-4164
    Debian Bug     : 702526 714541 730189
    
    Several vulnerabilities have been discovered in the interpreter for the
    Ruby language. 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 a crafted certificate issued by a
        trusted certification authority.
    
    CVE-2013-4164
    
        Charlie Somerville discovered that Ruby incorrectly handled floating
        point number conversion. If an application using Ruby accepted
        untrusted input strings and converted them to floating point
        numbers, an attacker able to provide such input could cause the
        application to crash or, possibly, execute arbitrary code with the
        privileges of the application.
    
    For the oldstable distribution (squeeze), these problems have been fixed in
    version 1.8.7.302-2squeeze2.
    
    For the stable distribution (wheezy), these problems have been fixed in
    version 1.8.7.358-7.1+deb7u1.
    
    For the unstable distribution (sid), these problems have been fixed in
    version 1.8.7.358-9.
    
    We recommend that you upgrade your ruby1.8 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/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    
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