April 01, 2014 — Please read carefully and check if the version of your OTRS system is affected by this vulnerability.
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Security Advisory Details
- ID: OSA-2014-04
- Date: 2014-04-01
- Title: XSS issue
- Severity: Low (Overall CVSS Score : 2.7)
- Product: OTRS 3.1.x, 3.2.x, 3.3.x
- Fixed in: OTRS 3.1.21, 3.2.16, 3.3.6
- URL: https://community.otrs.com/security-advisory-2014-04-xss-issue/
- FULL CVSS v2 VECTOR: (AV:N/AC:H/AU:S/C:P/I:P/A:N/E:POC/RL:OF/RC:C/CDP:ND/TD:ND/CR:ND/IR:ND/AR:ND)
- References: CVE-2014-2553
Vulnerability Description
This advisory covers vulnerabilities discovered in the OTRS core system.
- A logged in attacker could insert special content in dynamic fields, leading to JavaScript code being executed in OTRS.
Affected by this vulnerability are all releases of OTRS 3.1.x up to and including 3.1.20, 3.2.x up to and including 3.2.15 and 3.3.x up to and including 3.3.5.
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 3.3:
- https://github.com/OTRS/otrs/commit/00f9375b03d1b3e7fe2f91af1ca8e61a88b6ec66
- https://github.com/OTRS/otrs/commit/591c654707f932ae5a3edd515d74b669ed0cc34c
OTRS 3.2
- https://github.com/OTRS/otrs/commit/b8516eefa54da1016979377cd1cd7bfd0c2a150e
- https://github.com/OTRS/otrs/commit/c45500f99545b372974d1d19cce185dcf3df6fde
OTRS 3.1
- https://github.com/OTRS/otrs/commit/3b8409de378cb98be40289c4195272b4258380ca
- https://github.com/OTRS/otrs/commit/2c35bbee36915232a488b1abc5ab0c4217d8fe0c
However, to avoid unwanted side effects, we recommend a complete update.
Thanks to Renée Bäcker for discovering and reporting this issue.