Ubuntu 4142-2: e2fsprogs vulnerability

    Date30 Sep 2019
    CategoryUbuntu
    539
    Posted ByLinuxSecurity Advisories
    Ubuntu Large
    e2fsprogs could be made to execute arbitrary code if it is running in a crafted ext4 partition.
    ==========================================================================
    Ubuntu Security Notice USN-4142-2
    September 30, 2019
    
    e2fsprogs vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    
    Summary:
    
    e2fsprogs could be made to execute arbitrary code if it is
    running in a crafted ext4 partition.
    
    Software Description:
    - e2fsprogs: ext2/ext3/ext4 file system utilities
    
    Details:
    
    USN-4142-1 fixed a vulnerability in e2fsprogs. This update provides
    the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
    
    Original advisory details:
    
     It was discovered that e2fsprogs incorrectly handled certain ext4 partitions.
     An attacker could possibly use this issue to execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 ESM:
      e2fsprogs                       1.42.9-3ubuntu1.3+esm1
    
    Ubuntu 12.04 ESM:
      e2fsprogs                       1.42-1ubuntu2.4
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4142-2
      https://usn.ubuntu.com/4142-1
      CVE-2019-5094
    
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