Release Note
OTRS Security Advisory 2019-15
November 15, 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
PGP Key
- pub 2048R/9C227C6B 2011-03-21 [expires at: 2020-11-16]
- uid OTRS Security Team <security@otrs.org>
- GPG Fingerprint E330 4608 DA6E 34B7 1551 C244 7F9E 44E9 9C22 7C6B
Security Advisory Details
- ID: OSA-2019-15
- Date: 2019-11-15
- Title: Denial of service
- Severity: Medium
- Product: OTRS 7.0.x, OTRS 6.0.x, OTRS 5.0.x
- Fixed in: OTRS 7.0.13, OTRS 6.0.24, OTRS 5.0.39
- FULL CVSS v3 VECTOR: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:R
- References: CVE-2019-18180
Vulnerability Description
This advisory covers vulnerabilities discovered in the OTRS framework.
Privilege Escalation
OTRS can be put into an endless loop by providing filenames with overly long extensions. This applies to the PostMaster (sending in email) and also upload (attaching files to mails, for example).
Affected by this vulnerability are all releases of OTRS 7.0.x up to and including 7.0.12, OTRS 6.0.x up to and including 6.0.23, OTRS 5.0.x up to and including 5.0.38.
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 6.0
OTRS 5.0
However, to avoid unwanted side effects, we recommend a complete update.