#VU62855 Stack-based buffer overflow in NetExtender for Windows


Published: 2022-05-09

Vulnerability identifier: #VU62855

Vulnerability risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-22281

CWE-ID: CWE-121

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
NetExtender for Windows
Client/Desktop applications / Other client software

Vendor: SonicWall

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A local user can trigger stack-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

NetExtender for Windows: 10.2.322


External links
http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0008


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability