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  • [SECURITY] [DSA 2809-1] ruby1.8 security update

    From Salvatore Bonaccorso@1:229/2 to All on Wed Dec 4 22:30:02 2013
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2809-1 [email protected] 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: [email protected]
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