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CVSS: 4.0EPSS: 0%CPEs: 3EXPL: 0

OpenSSL 0.9.8i on the Gaisler Research LEON3 SoC on the Xilinx Virtex-II Pro FPGA uses a Fixed Width Exponentiation (FWE) algorithm for certain signature calculations, and does not verify the signature before providing it to a caller, which makes it easier for physically proximate attackers to determine the private key via a modified supply voltage for the microprocessor, related to a "fault-based attack." OpenSSL 0.9.8i en Gaisler Research LEON3 SoC sobre Xilinx Virtex-II Pro FPGA utiliza un algoritmo Fixed Width Exponentiation (FWE) para ciertos calculos de firma, el cual no verifica previamente la firma del cliente, lo que hace que atacantes proximos fisicamente puedan determinar la clave privada a traves de una modificacion del voltaje del microprocesador, relacionado con el ataque "fault-based attack." • http://rdist.root.org/2010/03/08/attacking-rsa-exponentiation-with-fault-injection http://www.eecs.umich.edu/~valeria/research/publications/DATE10RSA.pdf http://www.networkworld.com/news/2010/030410-rsa-security-attack.html http://www.osvdb.org/62808 http://www.theregister.co.uk/2010/03/04/severe_openssl_vulnerability https://exchange.xforce.ibmcloud.com/vulnerabilities/56750 • CWE-310: Cryptographic Issues •