SB2020031945 - Cross-site scripting in OTRS

Description

This security bulletin contains information about 1 vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2019-16375)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

The vulnerability allows a remote authenticated user to read and manipulate data.

An issue was discovered in Open Ticket Request System (OTRS) 7.0.x through 7.0.11, and Community Edition 5.0.x through 5.0.37 and 6.0.x through 6.0.22. An attacker who is logged in as an agent or customer user with appropriate permissions can create a carefully crafted string containing malicious JavaScript code as an article body. This malicious code is executed when an agent composes an answer to the original article.

Remediation

Install update from vendor's website.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00038.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00066.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00077.html
• https://community.otrs.com/category/security-advisories-en/
• https://otrs.com/release-notes/otrs-security-advisory-2019-13/