Infinite loop in OTRS - CVE-2019-18180
Published: December 5, 2019 / Updated: April 1, 2021
Vulnerability identifier: #VU51861
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-18180
CWE-ID: CWE-835
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 a denial of service (DoS) attack.
Improper Check for filenames with overly long extensions in PostMaster (sending in email) or uploading files (e.g. attaching files to mails) of ((OTRS)) Community Edition and OTRS allows an remote attacker to cause an endless loop. This issue affects: OTRS AG: ((OTRS)) Community Edition 5.0.x version 5.0.38 and prior versions; 6.0.x version 6.0.23 and prior versions. OTRS AG: OTRS 7.0.x version 7.0.12 and prior versions.
How to mitigate CVE-2019-18180
Install update from vendor's website.
Sources
- 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/security-advisory-2019-15-security-update-for-otrs-framework/