CVE-2022-3602: OpenSSL X.509 Buffer Overflow
Is OpenSSL 3.x vulnerable to buffer overflow?
A stack-based buffer overflow in OpenSSL 3.x X.509 certificate verification. Processing a maliciously crafted email address in a certificate can trigger a 4-byte overflow, potentially enabling remote code execution or denial of service.
Impact & Exploitation
Originally classified as CRITICAL (later downgraded). Triggered emergency patching across millions of systems. Particularly concerning for TLS-enabled embedded devices and IoT.
How Precogs AI Detects OpenSSL X.509 Buffer Overflow
Precogs AI Binary SAST identifies OpenSSL 3.x versions in compiled applications and firmware, flagging vulnerable X.509 processing code paths in embedded TLS implementations.