Heap-based buffer overflow in OpenEXR - CVE-2021-3598

 

Heap-based buffer overflow in OpenEXR - CVE-2021-3598

Published: June 27, 2021 / Updated: July 3, 2021


Vulnerability identifier: #VU54399
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-3598
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenEXR
Affected software:
OpenEXR

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the readChars() function in ImfIO.h. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-3598

Install update from vendor's website.

Sources