Heap-based buffer overflow in ImageGear - CVE-2021-21946

 

Heap-based buffer overflow in ImageGear - CVE-2021-21946

Published: February 24, 2022


Vulnerability identifier: #VU60848
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-21946
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Accusoft Corporation
Affected software:
ImageGear

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 in the JPEG-JFIF lossless Huffman image parser functionality within precision lower than 9. 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-2021-21946

Install updates from vendor's website.

Sources