Multiple vulnerabilities in SonicWall Global VPN client



Published: 2020-10-28
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-5145
CVE-2020-5144
CWE-ID CWE-427
CWE-426
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe
SonicWall Global VPN client
Client/Desktop applications / Encryption software

Vendor SonicWall

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Insecure DLL loading

EUVDB-ID: #VU47951

Risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5145

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SonicWall Global VPN client: 4.0.0 - 4.10.4.0314

External links

http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0021


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) Untrusted search path

EUVDB-ID: #VU47950

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5144

CWE-ID: CWE-426 - Untrusted Search Path

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to untrusted search path issue. A local user can place a specially crafted file on the system and execute arbitrary code with SYSTEM privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SonicWall Global VPN client: 4.0.0 - 4.10.4.0314

External links

http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0020


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.



###SIDEBAR###