[apparmor] [Bug 1609439] Re: Firefox profile has too much access

[Simon Déziel]

** Project changed: apparmor-profiles => firefox

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https://bugs.launchpad.net/bugs/1609439

Title:
  Firefox profile has too much access

Status in Mozilla Firefox:
  New

Bug description:
  usr.bin.firefox in Kubuntu 16.04.1 profile has some fine grained rules
  defined concerning home directory, such as:

    owner @{HOME}/ r,
    ...
    owner @{HOME}/.{firefox,mozilla}/ rw,
    owner @{HOME}/.{firefox,mozilla}/** rw,
    owner @{HOME}/.{firefox,mozilla}/**/*.{db,parentlock,sqlite}* k,
    owner @{HOME}/.{firefox,mozilla}/**/plugins/** mr,
    owner @{HOME}/.{firefox,mozilla}/plugins/** mr,
    owner @{HOME}/Downloads/ r,
    owner @{HOME}/Downloads/* rw,
    owner @{HOME}/Public/ r,
    owner @{HOME}/Public/* r,
    ...

  It *looks* strict at first sight, but I still can read some arbitrary files from my home (sub)directory, such as 
  /home/vincas/talkless.pqi
  /home/vincas/code/something...

  It *does* protect .ssh/id_rsa.pub and such, for example, so denies
  kinda works from "private-files-strict" include.

  I've checked apparor_parser -d -d, I can see some @{HOME}/** rw...
  rules, though it looks like it should belong to browser_java,
  browser_openjdk subprofiles, but it looks like if they are "leaking"
  somehow for main process.

  I'm attaching apparmor_parser -d -d and -p outputs.

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