Security Advisory 2014-06: Incomplete Access Control

December 16, 2014 — Please read carefully and check if the version of your OTRS system is affected by this vulnerability.

Report a vulnerability

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PGP Key

  • pub 2048R/9C227C6B 2011-03-21 [expires at: 2016-03-02]
  • uid OTRS Security Team <security@otrs.org>
  • GPG Fingerprint E330 4608 DA6E 34B7 1551 C244 7F9E 44E9 9C22 7C6B

Security Advisory Details

  • ID: OSA-2014-06
  • Date: 2014-12-16
  • Title: Incomplete Access Control
  • Severity: low (Overall CVSS Score : 2.7)
  • Product: OTRS 3.2.x, 3.3.x, 4.0.x
  • Fixed in: OTRS 3.2.17, 3.3.11, 4.0.3
  • URL: [TBD]
  • FULL CVSS v2 VECTOR: (AV:N/AC:M/AU:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C/CDP:ND/TD:ND/CR:ND/IR:ND/AR:ND)
  • References: CVE-2014-9324

Vulnerability Description

This advisory covers vulnerabilities discovered in the OTRS core system.

  • An attacker with valid OTRS credentials could access and manipulate ticket data of other users via the GenericInterface, if a ticket webservice is configured and not additionally secured.

Affected by this vulnerability are all releases of 3.2.x up to and including 3.2.16, 3.3.x up to and including 3.3.10 and 4.0.x up to and including 4.0.2.

Recommended Resolution

This vulnerability is fixed in the latest versions of OTRS and the affected packages, and it is recommended to upgrade to one of these.

Fixed releases can be found at:

Here are detailed informations about the required changes:

OTRS

However, to avoid unwanted side effects, we recommend a complete update.

Thanks to Thorsten Eckel (znuny) and Remo Stäuble (InfoGuard) for discovering and reporting this issue.