Critical Sophos Security Bug Allows RCE on Firewalls

Cybersecurity stalwart Sophos has plugged a critical vulnerability in its firewall product, which could allow for remote code-execution.

The flaw, tracked as CVE-2022-1040, is especially an authentication-bypass vulnerability in the Consumer Portal and Webadmin of the Sophos Firewall. It affects model 18.5 MR3 (18.5.3) and more mature of the appliance.

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An exploit would give attackers manage above the gadget, and enable them to disable the firewall, insert new consumers, or use it as a jumping-off stage for burrowing further into a company’s network.

Sophos did not offer technological aspects or a CVSS rating for the bug, but mentioned it as “critical.”

The organization pushed out a hotfix, but those without the need of computerized updates enabled will have to have to manually update their appliances. There’s also a workaround, according to the company’s security advisory:

“Customers can shield them selves from external attackers by making certain their User Portal and Webadmin are not uncovered to WAN,” according to Sophos. “Disable WAN entry to the Consumer Portal and Webadmin by pursuing device obtain best techniques and as a substitute use VPN and/or Sophos Central for remote entry and administration.”

An unnamed independent researcher was credited with reporting the flaw through Sophos’ bug bounty.

The vulnerability is the third bug for the seller this thirty day period. Earlier in March, two some others arrived to light, tracked as CVE-2022-0386 (a article-authentication SQL-injection issue) and CVE-2022-0652 (an insecure accessibility permissions bug). They afflicted the Sophos UTM unified menace-management appliance.

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