Debian: DSA-3255-1: zeromq3 security update

    Date10 May 2015
    CategoryDebian
    83
    Posted ByLinuxSecurity Advisories
    It was discovered that libzmq, a lightweight messaging kernel, is susceptible to a protocol downgrade attack on sockets using the ZMTP v3 protocol. This could allow remote attackers to bypass ZMTP v3 security mechanisms by sending ZMTP v2 or earlier headers.
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-3255-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                        Alessandro Ghedini
    May 10, 2015                           http://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : zeromq3
    CVE ID         : none assigned yet
    Debian Bug     : 784366
    
    It was discovered that libzmq, a lightweight messaging kernel, is
    susceptible to a protocol downgrade attack on sockets using the ZMTP v3
    protocol. This could allow remote attackers to bypass ZMTP v3 security
    mechanisms by sending ZMTP v2 or earlier headers.
    
    For the stable distribution (jessie), this problem has been fixed in
    version 4.0.5+dfsg-2+deb8u1.
    
    For the testing distribution (stretch), this problem has been fixed in
    version 4.0.5+dfsg-3.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 4.0.5+dfsg-3.
    
    We recommend that you upgrade your zeromq3 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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