[Touch-packages] [Bug 2028459] Re: cups apparmor: read access to /etc/gnutls/config

2024-02-25 Thread Launchpad Bug Tracker
Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: cups (Ubuntu)
   Status: New => Confirmed

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https://bugs.launchpad.net/bugs/2028459

Title:
  cups apparmor: read access to /etc/gnutls/config

Status in cups package in Ubuntu:
  Confirmed

Bug description:
  The gnutls library has an optional configuration file in
  /etc/gnutls/config. This file is not shipped by the Ubuntu packaging,
  but it can be created by an user wanting to configure certain aspects
  of gnutls.

  When the file exists, gnutls functions might trigger an access to it,
  and this is happening with cups in my system:

  jul 23 14:44:35 nsnx2 kernel: audit: type=1400
  audit(1690134275.356:574): apparmor="DENIED" operation="open"
  class="file" profile="/usr/sbin/cupsd" name="/etc/gnutls/config"
  pid=11222 comm="cupsd" requested_mask="r" denied_mask="r" fsuid=0
  ouid=0

  jul 23 14:44:35 nsnx2 kernel: audit: type=1400
  audit(1690134275.376:576): apparmor="DENIED" operation="open"
  class="file" profile="/usr/sbin/cups-browsed"
  name="/etc/gnutls/config" pid=11224 comm="cups-browsed"
  requested_mask="r" denied_mask="r" fsuid=121 ouid=0

  $ l /etc/gnutls/config
  -rw-r--r-- 1 root root 38 jun 15 18:44 /etc/gnutls/config

  $ apt-cache policy cups
  cups:
    Installed: 2.4.2-3ubuntu2.2
    Candidate: 2.4.2-3ubuntu2.2
    Version table:
   2.4.2-3ubuntu2.3 100
  100 http://br.archive.ubuntu.com/ubuntu lunar-proposed/main amd64 
Packages
   *** 2.4.2-3ubuntu2.2 500
  500 http://br.archive.ubuntu.com/ubuntu lunar-updates/main amd64 
Packages

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[Touch-packages] [Bug 2028459] Re: cups apparmor: read access to /etc/gnutls/config

2024-02-25 Thread Mihai Limbasan
For what it's worth, this is still happening with noble.

Since the shipped /etc/apparmor.d/usr.sbin.cups-browsed fortunately
specifies "#include ", this can be worked
around without causing further headaches by adding the following to
/etc/apparmor.d/local/usr.sbin.cups-browsed (create that file if for
some reason it doesn't exist):

/etc/gnutls/config r,

and reloading the profiles via

systemctl reload apparmor

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to cups in Ubuntu.
https://bugs.launchpad.net/bugs/2028459

Title:
  cups apparmor: read access to /etc/gnutls/config

Status in cups package in Ubuntu:
  Confirmed

Bug description:
  The gnutls library has an optional configuration file in
  /etc/gnutls/config. This file is not shipped by the Ubuntu packaging,
  but it can be created by an user wanting to configure certain aspects
  of gnutls.

  When the file exists, gnutls functions might trigger an access to it,
  and this is happening with cups in my system:

  jul 23 14:44:35 nsnx2 kernel: audit: type=1400
  audit(1690134275.356:574): apparmor="DENIED" operation="open"
  class="file" profile="/usr/sbin/cupsd" name="/etc/gnutls/config"
  pid=11222 comm="cupsd" requested_mask="r" denied_mask="r" fsuid=0
  ouid=0

  jul 23 14:44:35 nsnx2 kernel: audit: type=1400
  audit(1690134275.376:576): apparmor="DENIED" operation="open"
  class="file" profile="/usr/sbin/cups-browsed"
  name="/etc/gnutls/config" pid=11224 comm="cups-browsed"
  requested_mask="r" denied_mask="r" fsuid=121 ouid=0

  $ l /etc/gnutls/config
  -rw-r--r-- 1 root root 38 jun 15 18:44 /etc/gnutls/config

  $ apt-cache policy cups
  cups:
    Installed: 2.4.2-3ubuntu2.2
    Candidate: 2.4.2-3ubuntu2.2
    Version table:
   2.4.2-3ubuntu2.3 100
  100 http://br.archive.ubuntu.com/ubuntu lunar-proposed/main amd64 
Packages
   *** 2.4.2-3ubuntu2.2 500
  500 http://br.archive.ubuntu.com/ubuntu lunar-updates/main amd64 
Packages

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/cups/+bug/2028459/+subscriptions


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