Debian: DSA-3984-1: git security update

    Date26 Sep 2017
    CategoryDebian
    72
    Posted ByLinuxSecurity Advisories
    joernchen discovered that the git-cvsserver subcommand of Git, a distributed version control system, suffers from a shell command injection vulnerability due to unsafe use of the Perl backtick operator. The git-cvsserver subcommand is reachable from the
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    Debian Security Advisory DSA-3984-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                           Florian Weimer
    September 26, 2017                    https://www.debian.org/security/faq
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    Package        : git
    Debian Bug     : 876854
    
    joernchen discovered that the git-cvsserver subcommand of Git, a
    distributed version control system, suffers from a shell command
    injection vulnerability due to unsafe use of the Perl backtick
    operator.  The git-cvsserver subcommand is reachable from the
    git-shell subcommand even if CVS support has not been configured
    (however, the git-cvs package needs to be installed).
    
    In addition to fixing the actual bug, this update removes the
    cvsserver subcommand from git-shell by default.  Refer to the updated
    documentation for instructions how to reenable in case this CVS
    functionality is still needed.
    
    For the oldstable distribution (jessie), this problem has been fixed
    in version 1:2.1.4-2.1+deb8u5.
    
    For the stable distribution (stretch), this problem has been fixed in
    version 1:2.11.0-3+deb9u2.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 1:2.14.2-1.
    
    We recommend that you upgrade your git 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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