Buffer overflow in InCopy - CVE-2023-21596
Published: January 10, 2023 / Updated: February 1, 2023
Vulnerability identifier: #VU70985
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-21596
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing embedded fonts. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
InCopy
How to mitigate CVE-2023-21596
Install updates from vendor's website.
InCopy - addressed in versions 17.4.1, 18.1