Input validation error in OTRS - CVE-2018-16586
Published: September 28, 2018 / Updated: July 17, 2020
Vulnerability identifier: #VU31198
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-16586
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: otrs.org
Affected software:
OTRS
OTRS
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to manipulate data.
In Open Ticket Request System (OTRS) 4.0.x before 4.0.32, 5.0.x before 5.0.30, and 6.0.x before 6.0.11, an attacker could send a malicious email to an OTRS system. If a logged in user opens it, the email could cause the browser to load external image or CSS resources.
How to mitigate CVE-2018-16586
Install update from vendor's website.
Sources
- https://community.otrs.com/security-advisory-2018-05-security-update-for-otrs-framework/
- https://github.com/OTRS/otrs/commit/09e80c7752b0d9080688e4597c7495dd109e0963
- https://github.com/OTRS/otrs/commit/a808859a75c59ae3b7568f5cc4708c53462aa4c7
- https://github.com/OTRS/otrs/commit/baa92df09145b8ae2702a3a0e85d8ba55ec96302
- https://lists.debian.org/debian-lts-announce/2018/09/msg00033.html
- https://www.debian.org/security/2018/dsa-4317