Code Injection in OTRS

1) Code Injection

EUVDB-ID: #VU51862

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-9752

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to execute arbitrary code.

An issue was discovered in Open Ticket Request System (OTRS) 5.x before 5.0.34, 6.x before 6.0.16, and 7.x before 7.0.4. An attacker who is logged into OTRS as an agent or a customer user may upload a carefully crafted resource in order to cause execution of JavaScript in the context of OTRS. This is related to Content-type mishandling in Kernel/Modules/PictureUpload.pm.

Mitigation

Install update from vendor's website.

Vulnerable software versions

OTRS: 5.0.0 - 6.0.13

External links

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
http://community.otrs.com/security-advisory-2019-01-security-update-for-otrs-framework
http://lists.debian.org/debian-lts-announce/2019/03/msg00023.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.