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Bleichenbacher

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Hitachi Energy GMS600 Vulnerable to Bleichenbacher Attack via CVE-2022-4304

Hitachi Energy GMS600 versions 1.3.0 and 1.3.1 are affected by CVE-2022-4304, a vulnerability in the OpenSSL RSA Decryption implementation; an attacker could exploit this timing-based side channel to recover plaintext across a network in a Bleichenbacher-style attack by sending trial messages to the server and recording processing times, eventually decrypting application data.

GMS600 versions 1.3.0 and 1.3.1 bleichenbacher timing attack openssl critical infrastructure

2r 1t 1c May 21, 2026

high advisory

Forge RSA Signature Forgery Vulnerability

2 rules 1 TTP 2 CVEs

Forge is vulnerable to signature forgery in RSA-PKCS due to ASN.1 extra field, allowing attackers to forge signatures by stuffing garbage bytes within the ASN structure for low public exponent keys (e=3), enabling Bleichenbacher style forgery and affecting npm/node-forge versions less than 1.4.0.

node-forge forge rsa signature-forgery bleichenbacher

2r 1t 2c updated 3w ago