Heap-based buffer overflow in ImageGear - CVE-2021-21946
Published: February 24, 2022
Vulnerability identifier: #VU60848
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2021-21946
CWE-ID: CWE-122
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 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.
Affected software
ImageGear
How to mitigate CVE-2021-21946
Install updates from vendor's website.
ImageGear - update to 26.0