April 26, 2019 — Please read carefully and check if the version of your OTRS system is affected by this vulnerability.
Please send information regarding vulnerabilities in OTRS to: security@otrs.org
Security Advisory Details
- ID: OSA-2019-05
- Date: 2019-04-26
- Title: Reflected and Stored XSS
- Severity: 3.1 low
- Product: OTRS 7.0.x, OTRS 6.0.x, OTRS 5.0.x
- Fixed in: OTRS 7.0.7, OTRS 6.0.18, OTRS 5.0.35
- FULL CVSS v3 VECTOR: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:R
- References: CVE-2019-10067
Vulnerability Description
This advisory covers vulnerabilities discovered in the OTRS framework.
Privilege Escalation
An attacker who is logged into OTRS as an agent user with appropriate permissions may manipulate the URL to cause execution of JavaScript in the context of OTRS.
Affected by this vulnerability are all releases of OTRS 7.0.x up to and including 7.0.6, OTRS 6.0.x up to and including 6.0.17 and OTRS 5.0.x up to and including 5.0.35.
This vulnerability is fixed in the latest versions of OTRS, and it is recommended to upgrade to the latest patch level.
Fixed releases can be found at:
Detailed information about the changes:
- OTRS 6: https://github.com/OTRS/otrs/commit/8a489236336ddc82e745c27abb32dfa1ceefb0f4
- OTRS 5: https://github.com/OTRS/otrs/commit/67158d8b08309859572c795982ecc7c52484ab0e
However, to avoid unwanted side effects, we recommend a complete update.
Thanks to Balázs Úr and Giuseppino Cadeddu for discovering and reporting this issue.