Fedora 30: e2fsprogs FEDORA-2020-01ed02451f

    Date 01 Feb 2020
    351
    Posted By LinuxSecurity Advisories
    Fix a potential out of bounds write when checking a maliciously corrupted file system. This is probably not exploitable on 64-bit platforms, but may be exploitable on 32-bit binaries depending on how the compiler lays out the stack variables. (Addresses CVE-2019-5188) A maliciously corrupted file systems can trigger buffer overruns in the quota code used by e2fsck. (Addresses
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    Fedora Update Notification
    FEDORA-2020-01ed02451f
    2020-02-02 01:53:29.629340
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    Name        : e2fsprogs
    Product     : Fedora 30
    Version     : 1.44.6
    Release     : 2.fc30
    URL         : https://e2fsprogs.sourceforge.net/
    Summary     : Utilities for managing ext2, ext3, and ext4 file systems
    Description :
    The e2fsprogs package contains a number of utilities for creating,
    checking, modifying, and correcting any inconsistencies in second,
    third and fourth extended (ext2/ext3/ext4) file systems. E2fsprogs
    contains e2fsck (used to repair file system inconsistencies after an
    unclean shutdown), mke2fs (used to initialize a partition to contain
    an empty ext2 file system), debugfs (used to examine the internal
    structure of a file system, to manually repair a corrupted
    file system, or to create test cases for e2fsck), tune2fs (used to
    modify file system parameters), and most of the other core ext2fs
    file system utilities.
    
    You should install the e2fsprogs package if you need to manage the
    performance of an ext2, ext3, or ext4 file system.
    
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    Update Information:
    
    Fix a potential out of bounds write when checking a maliciously corrupted file
    system.  This is probably not exploitable on 64-bit platforms, but may be
    exploitable on 32-bit binaries depending on how the compiler lays out the stack
    variables.  (Addresses CVE-2019-5188)  A maliciously corrupted file systems can
    trigger buffer overruns in the quota code used by e2fsck.  (Addresses
    CVE-2019-5094)  Fix potential use after free in calculate_tree()
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    ChangeLog:
    
    * Thu Jan 16 2020 Lukas Czerner  1.44.6-2
    - Prevent buffer overrun bugs in quota code (#1792192)
    - Fix code execution vulnerability in directory rehashing (#1792193)
    - Fix use-after-free in calculate_tree
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    References:
    
      [ 1 ] Bug #1792192 - CVE-2019-5094 e2fsprogs: crafted ext4 partition leads to out-of-bounds write [fedora-all]
            https://bugzilla.redhat.com/show_bug.cgi?id=1792192
      [ 2 ] Bug #1792193 - CVE-2019-5188 e2fsprogs: Out-of-bounds write in  e2fsck/rehash.c [fedora-all]
            https://bugzilla.redhat.com/show_bug.cgi?id=1792193
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    This update can be installed with the "dnf" update program. Use
    su -c 'dnf upgrade --advisory FEDORA-2020-01ed02451f' at the command
    line. For more information, refer to the dnf documentation available at
    https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
    
    All packages are signed with the Fedora Project GPG key. More details on the
    GPG keys used by the Fedora Project can be found at
    https://fedoraproject.org/keys
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