Debian: DSA-3963-1: mercurial security update

    Date04 Sep 2017
    CategoryDebian
    90
    Posted ByLinuxSecurity Advisories
    Several issues were discovered in Mercurial, a distributed revision control system. CVE-2017-9462 (fixed in stretch only)
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-3963-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                       Sebastien Delafond
    September 04, 2017                    https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : mercurial
    CVE ID         : CVE-2017-9462 CVE-2017-1000115 CVE-2017-1000116
    Debian Bug     : 861243 871709 871710
    
    Several issues were discovered in Mercurial, a distributed revision
    control system.
    
    CVE-2017-9462 (fixed in stretch only)
    
      Jonathan Claudius of Mozilla discovered that repositories served
      over stdio could be tricked into granting authorized users access to
      the Python debugger.
    
    CVE-2017-1000115
    
      Mercurial's symlink auditing was incomplete, and could be abused to
      write files outside the repository.
    
    CVE-2017-1000116
    
      Joern Schneeweisz discovered that Mercurial did not correctly handle
      maliciously constructed ssh:// URLs. This allowed an attacker to run
      an arbitrary shell command.
    
    For the oldstable distribution (jessie), these problems have been fixed
    in version 3.1.2-2+deb8u4.
    
    For the stable distribution (stretch), these problems have been fixed in
    version 4.0-1+deb9u1.
    
    We recommend that you upgrade your mercurial 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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