Debian: DSA-3026-1: dbus security update

    Date 16 Sep 2014
    141
    Posted By LinuxSecurity Advisories
    Alban Crequy and Simon McVittie discovered several vulnerabilities in the D-Bus message daemon. CVE-2014-3635
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    Debian Security Advisory DSA-3026-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                            Florian Weimer
    September 16, 2014                     https://www.debian.org/security/faq
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    Package        : dbus
    CVE ID         : CVE-2014-3635 CVE-2014-3636 CVE-2014-3637 CVE-2014-3638 
                     CVE-2014-3639
    
    Alban Crequy and Simon McVittie discovered several vulnerabilities in
    the D-Bus message daemon.
    
    CVE-2014-3635
    
        On 64-bit platforms, file descriptor passing could be abused by
        local users to cause heap corruption in the dbus-daemon crash,
        leading to a crash, or potentially to arbitrary code execution.
    
    CVE-2014-3636
    
        A denial-of-service vulnerability in dbus-daemon allowed local
        attackers to prevent new connections to dbus-daemon, or disconnect
        existing clients, by exhausting descriptor limits.
    
    CVE-2014-3637
    
        Malicious local users could create D-Bus connections to
        dbus-daemon which could not be terminated by killing the
        participating processes, resulting in a denial-of-service
        vulnerability.
    
    CVE-2014-3638
    
        dbus-daemon suffered from a denial-of-service vulnerability in the
        code which tracks which messages expect a reply, allowing local
        attackers to reduce the performance of dbus-daemon.
    
    CVE-2014-3639
    
        dbus-daemon did not properly reject malicious connections from
        local users, resulting in a denial-of-service vulnerability.
    
    For the stable distribution (wheezy), these problems have been fixed in
    version 1.6.8-1+deb7u4.
    
    For the unstable distribution (sid), these problems have been fixed in
    version 1.8.8-1.
    
    We recommend that you upgrade your dbus 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/
    
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