Critical TLS Bugs in GoAhead Affecting Millions of Devices
Article Content
- •Three critical TLS vulnerabilities in GoAhead affect millions of devices.
- •OpenSSL-compatible builds are critically vulnerable, allowing revoked certificates.
- •Immediate patching is necessary to secure affected systems.
Three critical vulnerabilities have been identified in the GoAhead embedded web server, affecting numerous IoT and military devices from major manufacturers like Palo Alto Networks and Honeywell. The vulnerabilities include issues with TLS integrations that allow revoked client certificates to be accepted, and a buffer-length typo that compromises the security of encrypted sessions. The OpenSSL-compatible backend is particularly vulnerable, with a CVSS score of 9.1 for two of the bugs, while a third bug in the Mbed TLS backend has a CVSS score of 5.9. The flaws could allow attackers to decrypt sessions and bypass security checks, posing a significant risk to affected systems. Patches are required to mitigate these vulnerabilities, and users are urged to apply them immediately.
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