Input validation error in OTRS - CVE-2010-4767
Published: March 18, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45217
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2010-4767
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 perform service disruption.
Open Ticket Request System (OTRS) before 2.3.6 does not properly handle e-mail messages in which the From line contains UTF-8 characters associated with diacritical marks and an invalid charset, which allows remote attackers to cause a denial of service (duplicate tickets and duplicate auto-responses) by sending a crafted message to a POP3 mailbox.
How to mitigate CVE-2010-4767
Install update from vendor's website.