Vulnerability identifier: #VU54623
Vulnerability risk: Medium
CVSSv3.1: 6.2 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
SonicWall Switch
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor:
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when handling LLDP Protocol. A remote attacker on the local network can send specially crafted traffic to the device, trigger an out-of-bounds read error and read contents of memory on the system.
Mitigation
Install updates from vendor's website.
The following models are affected:
SWS14-48FPOE, SWS14-48, SWS14-24FPOE, SWS14-24, SWS12-10FPOE, SWS12-8POE, SWS12-8
Vulnerable software versions
External links
http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0011
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.