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[SEC] CVE-2019-11785 - Affects: Odoo 13.0 and earlier (Community an... #63710

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odony opened this issue Dec 22, 2020 · 0 comments
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[SEC] CVE-2019-11785 - Affects: Odoo 13.0 and earlier (Community an... #63710

odony opened this issue Dec 22, 2020 · 0 comments
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odony commented Dec 22, 2020

Security Advisory - CVE-2019-11785

Affects: Odoo 13.0 and earlier (Community and Enterprise Editions)
CVE ID: CVE-2019-11785
Component: Discuss
Credits: Nils Hamerlinck (Trobz)

Improper access control in mail module (followers) in Odoo Community 13.0
and earlier and Odoo Enterprise 13.0 and earlier, allows remote
authenticated users to obtain access to messages posted on business records
there were not given access to, and subscribe to receive future messages.

I. Background

The Discuss application provides generic productivity components to other Odoo
Apps, including a system allowing users to create private or public discussion
channels. This system allows to two users to chat together.

II. Problem Description

A missing access control allowed unauthorized users to become followers
of arbitrary database records.

III. Impact

Attack Vector: Network exploitable
Authentication: User account required
CVSS3 Score: Medium :: 6.5
CVSS3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

A malicious external user who has been granted Portal access could
send a specially crafted request to become follower of an arbitrary
database records, which would let them read past private discussions
on the document, and receive future notifications on this document.

Odoo S.A. is not aware of any use of this vulnerability in the wild.

IV. Workaround

There is no known workaround, applying the patches is strongly recommended.

Odoo Cloud servers have been patched as soon as the correction was available.

V. Solution

Apply the patches corresponding to your Odoo installation, or upgrade
to the latest revision, either via GitHub or by downloading the
latest version from https://www.odoo.com/page/download
or http://nightly.odoo.com

To apply the patch, change into the main directory of your Odoo
installation (the one containing "openerp" and "addons" directories),
then execute the patch command, typically:

   patch -p0 -f < /path/to/the_patch_file.patch

This command assumes your installation layout corresponds to
the latest source code layout of the Odoo project on GitHub.
If your installation differs, please extract the various patch
hunks from the files and apply them in the appropriate locations.

VI. Correction details

The following list contains the revisions after which the vulnerability
is corrected:

  • 11.0: a11cb62
  • 12.0: 4435170
  • 13.0: 1e00521
  • 13.0-ent, 12.0-ent and 11.0-ent (Enterprise): see 13.0, 12.0 and 11.0.
@odony odony added the Security security announcements label Dec 22, 2020
@odony odony closed this as completed Dec 22, 2020
@odoo odoo locked and limited conversation to collaborators Dec 22, 2020
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