Privilege escalation in SonicWall SMA 100 Series



Published: 2021-09-24
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-264
Exploitation vector Local
Public exploit N/A
Vulnerable software
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SMA 100
Hardware solutions / Security hardware applicances

Vendor SonicWall

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU56856

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to a logic error, when High Availability (HA) pair is active. A local user or a malicious actor who can obtain a 'nobody' user shell on an impacted SMA100 device can execute arbitrary OS commands with root privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SMA 100: 9.0.0.10-28sv - 10.2.1.0-17sv

External links

http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0020


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.



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