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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Openssl | Openssl | 0.9.8i (including) | 0.9.8i (including) |
| Openssl | Ubuntu | dapper | * |
| Openssl | Ubuntu | devel | * |
| Openssl | Ubuntu | hardy | * |
| Openssl | Ubuntu | intrepid | * |
| Openssl | Ubuntu | jaunty | * |
| Openssl | Ubuntu | karmic | * |
| Openssl | Ubuntu | lucid | * |
| Openssl | Ubuntu | upstream | * |
References
- 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
- 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