SB2021040158 - Input validation error in otrs (Alpine package)



SB2021040158 - Input validation error in otrs (Alpine package)

Published: April 1, 2021

Security Bulletin ID SB2021040158
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2020-1767)

CWE-ID: CWE-20 - Improper input validation

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


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.


Remediation

Install update from vendor's website.