#VU51865 Input validation error in OTRS


Published: 2020-01-10 | Updated: 2021-04-01

Vulnerability identifier: #VU51865

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1767

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OTRS
Web applications / Other software

Vendor: otrs.org

Description

The vulnerability allows a remote authenticated user to manipulate data.

Agent A is able to save a draft (i.e. for customer reply). Then Agent B can open the draft, change the text completely and send it in the name of Agent A. For the customer it will not be visible that the message was sent by another agent. This issue affects: ((OTRS)) Community Edition 6.0.x version 6.0.24 and prior versions. OTRS 7.0.x version 7.0.13 and prior versions.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OTRS: 6.0.0 - 6.0.13


External links
http://lists.debian.org/debian-lts-announce/2020/01/msg00027.html
http://otrs.com/release-notes/otrs-security-advisory-2020-03/


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.


Latest bulletins with this vulnerability