Debian: DSA-4581-1: git security update

    Date10 Dec 2019
    CategoryDebian
    164
    Posted ByLinuxSecurity Advisories
    Several vulnerabilities have been discovered in git, a fast, scalable, distributed revision control system. CVE-2019-1348
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4581-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    December 10, 2019                     https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : git
    CVE ID         : CVE-2019-1348 CVE-2019-1349 CVE-2019-1352 CVE-2019-1353
                     CVE-2019-1387 CVE-2019-19604
    
    Several vulnerabilities have been discovered in git, a fast, scalable,
    distributed revision control system.
    
    CVE-2019-1348
    
        It was reported that the --export-marks option of git fast-import is
        exposed also via the in-stream command feature export-marks=...,
        allowing to overwrite arbitrary paths.
    
    CVE-2019-1387
    
        It was discovered that submodule names are not validated strictly
        enough, allowing very targeted attacks via remote code execution
        when performing recursive clones.
    
    CVE-2019-19604
    
        Joern Schneeweisz reported a vulnerability, where a recursive clone
        followed by a submodule update could execute code contained within
        the repository without the user explicitly having asked for that. It
        is now disallowed for `.gitmodules` to have entries that set
        `submodule..update=!command`.
    
    In addition this update addresses a number of security issues which are
    only an issue if git is operating on an NTFS filesystem (CVE-2019-1349,
    CVE-2019-1352 and CVE-2019-1353).
    
    For the oldstable distribution (stretch), these problems have been fixed
    in version 1:2.11.0-3+deb9u5.
    
    For the stable distribution (buster), these problems have been fixed in
    version 1:2.20.1-2+deb10u1.
    
    We recommend that you upgrade your git packages.
    
    For the detailed security status of git please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/git
    
    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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