GPU VulnDB

Database/Firmware, BMC & network fabric

SonicWall SonicOS: unauthenticated stack overflow crashes the firewall

CVSS 7.5CVE-2023-0656Firmware, BMC & network fabriccurated

Impact

A remote, unauthenticated attacker triggers a stack-based buffer overflow that crashes the firewall. NSa hardware and NSv virtual firewalls are affected. A crashed edge firewall cuts off management access and any tenant traffic it carries. The record describes denial of service only.

Who can reach it

Unauthenticated remote attacker who can reach the firewall.

What to do

Flash the fixed SonicOS firmware listed in SonicWall advisory SNWLID-2023-0004. The appliance reboots during the upgrade.

References

Related entries

All Firmware, BMC & network fabric entries

This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.