Linux Security
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    Linux Security

    Slackware: 2021-026-01: sudo Security Update

    Date 26 Jan 2021
    229
    Posted By LinuxSecurity Advisories
    New sudo packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues.
    
    -----BEGIN PGP SIGNED MESSAGE-----
    Hash: SHA1
    
    [slackware-security]  sudo (SSA:2021-026-01)
    
    New sudo packages are available for Slackware 14.0, 14.1, 14.2, and -current to
    fix security issues.
    
    
    Here are the details from the Slackware 14.2 ChangeLog:
    +--------------------------+
    patches/packages/sudo-1.9.5p2-i586-1_slack14.2.txz:  Upgraded.
      When invoked as sudoedit, the same set of command line options
      are now accepted as for "sudo -e". The -H and -P options are
      now rejected for sudoedit and "sudo -e" which matches the sudo
      1.7 behavior. This is part of the fix for CVE-2021-3156.
      Fixed a potential buffer overflow when unescaping backslashes
      in the command's arguments. Normally, sudo escapes special
      characters when running a command via a shell (sudo -s or sudo
      -i). However, it was also possible to run sudoedit with the -s
      or -i flags in which case no escaping had actually been done,
      making a buffer overflow possible. This fixes CVE-2021-3156.
      For more information, see:
        https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3156
      (* Security fix *)
    +--------------------------+
    
    
    Where to find the new packages:
    +-----------------------------+
    
    Thanks to the friendly folks at the OSU Open Source Lab
    (https://osuosl.org) for donating FTP and rsync hosting
    to the Slackware project!  :-)
    
    Also see the "Get Slack" section on https://slackware.com for
    additional mirror sites near you.
    
    Updated package for Slackware 14.0:
    ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/sudo-1.9.5p2-i486-1_slack14.0.txz
    
    Updated package for Slackware x86_64 14.0:
    ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/sudo-1.9.5p2-x86_64-1_slack14.0.txz
    
    Updated package for Slackware 14.1:
    ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/sudo-1.9.5p2-i486-1_slack14.1.txz
    
    Updated package for Slackware x86_64 14.1:
    ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/sudo-1.9.5p2-x86_64-1_slack14.1.txz
    
    Updated package for Slackware 14.2:
    ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/sudo-1.9.5p2-i586-1_slack14.2.txz
    
    Updated package for Slackware x86_64 14.2:
    ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/sudo-1.9.5p2-x86_64-1_slack14.2.txz
    
    Updated package for Slackware -current:
    ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/ap/sudo-1.9.5p2-i586-1.txz
    
    Updated package for Slackware x86_64 -current:
    ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/ap/sudo-1.9.5p2-x86_64-1.txz
    
    
    MD5 signatures:
    +-------------+
    
    Slackware 14.0 package:
    047bb22ce157548126d16430c3a374ef  sudo-1.9.5p2-i486-1_slack14.0.txz
    
    Slackware x86_64 14.0 package:
    7fbd3e885d8cc9b3cee66cdefeeba9e3  sudo-1.9.5p2-x86_64-1_slack14.0.txz
    
    Slackware 14.1 package:
    261ca55be2533f11b224e806e1acd554  sudo-1.9.5p2-i486-1_slack14.1.txz
    
    Slackware x86_64 14.1 package:
    0a261cd2ba3aa541d294d69f4bed5c2f  sudo-1.9.5p2-x86_64-1_slack14.1.txz
    
    Slackware 14.2 package:
    00df3b1ea402b263fbf63bd411f99a77  sudo-1.9.5p2-i586-1_slack14.2.txz
    
    Slackware x86_64 14.2 package:
    4f29ad52ed440334c591ee530362e384  sudo-1.9.5p2-x86_64-1_slack14.2.txz
    
    Slackware -current package:
    90296d19fb80c3fab70158febfba1d54  ap/sudo-1.9.5p2-i586-1.txz
    
    Slackware x86_64 -current package:
    a3c31d280a60d4ea59922a60410072d9  ap/sudo-1.9.5p2-x86_64-1.txz
    
    
    Installation instructions:
    +------------------------+
    
    Upgrade the package as root:
    # upgradepkg sudo-1.9.5p2-i586-1_slack14.2.txz
    
    
    +-----+
    

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