Debian LTS: DLA-2163-1: tinyproxy security update

    Date31 Mar 2020
    425
    Posted ByLinuxSecurity Advisories
    A minor security issue and a severe packaging bug have been fixed in tinyproxy, a lightweight http proxy daemon.
    
    Package        : tinyproxy
    Version        : 1.8.3-3+deb8u1
    CVE ID         : CVE-2017-11747
    Debian Bug     : 870307 948283
    
    
    A minor security issue and a severe packaging bug have been fixed in
    tinyproxy, a lightweight http proxy daemon.
    
    CVE-2017-11747
    
      main.c in Tinyproxy created a /var/run/tinyproxy/tinyproxy.pid file
      after dropping privileges to a non-root account, which might have
      allowed local users to kill arbitrary processes by leveraging access
      to this non-root account for tinyproxy.pid modification before a root
      script executed a "kill `cat /run/tinyproxy/tinyproxy.pid`" command.
    
    OTHER
    
      Furthermore, a severe flaw had been discovered by Tim Duesterhus in
      Debian's init script for tinyproxy. With the tiny.conf configuration
      file having the PidFile option removed, the next run of logrotate (if
      installed) would have changed the owner of the system's base directory
      ("/") to tinyproxy:tinyproxy.
    
    
    For Debian 8 "Jessie", this problem has been fixed in version
    1.8.3-3+deb8u1. These fixes were prepared by Mike Gabriel.
    
    We recommend that you upgrade your tinyproxy packages.
    
    Further information about Debian LTS security advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://wiki.debian.org/LTS
    
    
    Best,
    Utkarsh
    

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