Mageia 2019-0393: git security update

    Date15 Dec 2019
    CategoryMageia
    202
    Posted ByLinuxSecurity Advisories
    The updated packages fix security vulnerabilities: The --export-marks option of git fast-import is exposed also via the in-stream command feature export-marks=... and it allows overwriting arbitrary paths. (CVE-2019-1348)
    MGASA-2019-0393 - Updated git packages fix security vulnerabilities
    
    Publication date: 15 Dec 2019
    URL: https://advisories.mageia.org/MGASA-2019-0393.html
    Type: security
    Affected Mageia releases: 7
    CVE: CVE-2019-1348,
         CVE-2019-1349,
         CVE-2019-1387,
         CVE-2019-19604
    
    The updated packages fix security vulnerabilities:
    
    The --export-marks option of git fast-import is exposed also via the
    in-stream command feature export-marks=... and it allows overwriting
    arbitrary paths. (CVE-2019-1348)
    
    When submodules are cloned recursively, under certain circumstances Git
    could be fooled into using the same Git directory twice. We now require
    the directory to be empty. (CVE-2019-1349)
    
    Recursive clones are currently affected by a vulnerability that is caused
    by too-lax validation of submodule names, allowing very targeted attacks
    via remote code execution in recursive clones. (CVE-2019-1387)
    
    Arbitrary command execution is possible in Git before before 2.21.1,
    because a "git submodule update" operation can run commands found in the
    .gitmodules file of a malicious repository. (CVE-2019-19604)
    
    References:
    - https://bugs.mageia.org/show_bug.cgi?id=25867
    - https://www.openwall.com/lists/oss-security/2019/12/13/1
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1348
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1349
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1387
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19604
    
    SRPMS:
    - 7/core/git-2.21.1-1.mga7
    
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