Improper input validation in Exempi - CVE-2017-18235
Published: April 16, 2018 / Updated: April 18, 2018
Vulnerability identifier: #VU11855
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-18235
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Freedesktop.org
Affected software:
Exempi
Exempi
Detailed vulnerability description
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.
The weakness exists in the VPXChunk class defined in the source code file XMPFiles/source/FormatSupport/WEBP_Support.cpp due to insufficient sanitization of "0" values passed to height() or width() by the affected software when handling .webq files. A remote attacker can trick the victim into opening a specially crafted .webq file, trigger memory assertion error and cause the service to crash.
How to mitigate CVE-2017-18235
Update to version 2.4.3.