Security Advisory
1) Out-of-bounds write
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: CVE-2021-21776
CWE-ID: CWE-787 - Out-of-bounds Write
Exploit availability: No
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing SGI files. A remote attacker can create a specially crafted SGI file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
ImageGear: 19.3.0, 19.4.0, 19.5.0, 19.6.0, 19.7, 19.8
CPE
External links
https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1232
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Out-of-bounds write
Risk: High
CVSSv3.1: multiple vulnerabilities accusoft imagegear
