Debian: DSA-3142-1: eglibc security update

    Date27 Jan 2015
    CategoryDebian
    32
    Posted ByLinuxSecurity Advisories
    Several vulnerabilities have been fixed in eglibc, Debian's version of the GNU C library: CVE-2015-0235
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    Debian Security Advisory DSA-3142-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                            Florian Weimer
    January 27, 2015                       http://www.debian.org/security/faq
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    Package        : eglibc
    CVE ID         : CVE-2012-6656 CVE-2014-6040 CVE-2014-7817 CVE-2015-0235
    
    Several vulnerabilities have been fixed in eglibc, Debian's version of
    the GNU C library:
    
    CVE-2015-0235
    
        Qualys discovered that the gethostbyname and gethostbyname2
        functions were subject to a buffer overflow if provided with a
        crafted IP address argument.  This could be used by an attacker to
        execute arbitrary code in processes which called the affected
        functions.
    
        The original glibc bug was reported by Peter Klotz.
    
    CVE-2014-7817
    
        Tim Waugh of Red Hat discovered that the WRDE_NOCMD option of the
        wordexp function did not suppress command execution in all cases.
        This allows a context-dependent attacker to execute shell
        commands.
    
    CVE-2012-6656
    CVE-2014-6040
    
        The charset conversion code for certain IBM multi-byte code pages
        could perform an out-of-bounds array access, causing the process
        to crash.  In some scenarios, this allows a remote attacker to
        cause a persistent denial of service.
    
    For the stable distribution (wheezy), these problems have been fixed in
    version 2.13-38+deb7u7.
    
    For the upcoming stable distribution (jessie) and the unstable
    distribution (sid), the CVE-2015-0235 issue has been fixed in version
    2.18-1 of the glibc package.
    
    We recommend that you upgrade your eglibc packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://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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