[SECURITY-L] [Security-news] Services - Moderately critical - Access bypass - SA-CONTRIB-2020-022

[CSIRT Unicamp]

View online: https://www.drupal.org/sa-contrib-2020-022

Project: Services [1]
Version: 7.x-3.x-dev
Date: 2020-June-03
Security risk: *Moderately critical* 11∕25
AC:Basic/A:User/CI:Some/II:None/E:Theoretical/TD:All [2]
Vulnerability: Access bypass

Description:
This module provides a standardized solution for building API's so that
external clients can communicate with Drupal.

The module's taxonomy term index resource doesn't take into consideration
certain access control tags provided (but unused) by core, that certain
contrib modules depend on.

This vulnerability is mitigated by the fact your site must have the taxonomy
term index resource enabled, your site must have a contributed module
enabled
which utilizes taxonomy term access control, and an attacker must know your
api endpoint's path.

Solution:
Install the latest version:

   * If you use the Services module for Drupal 7.x, upgrade to Services
     7.x-3.26 [3]

Also see the Services [4] project page.

Reported By:
   * Vadym Abramchuk  [5]

Fixed By:
   * Vadym Abramchuk  [6]
   * Tyler Frankenstein  [7]

Coordinated By:
   * Greg Knaddison [8] of the Drupal Security Team


[1] https://www.drupal.org/project/services
[2] https://www.drupal.org/security-team/risk-levels
[3] https://www.drupal.org/node/3144924
[4] https://www.drupal.org/project/services
[5] https://www.drupal.org/user/3216035
[6] https://www.drupal.org/user/3216035
[7] https://www.drupal.org/user/150680
[8] https://www.drupal.org/user/36762

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===
Computer Security Incident Response Team - CSIRT
Universidade Estadual de Campinas - Unicamp
Centro de Computacao - CCUEC
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