Daniel Cray writes to tell us ZDNet is reporting that OpenSSL versions up to 0.9.7j and 0.9.8b are vulnerable to a signature forgery technique. OpenSSL has already released an update fixing the problem. From the article: "The flaw only affects a particular type of signature — PKCS #1 v1.5 signatures — but these are used by some certificate authorities... The signature forgery technique was first demonstrated last month at the Crypto 2006 conference by Daniel Bleichenbacher, a cryptographer with Bell Labs, according to security firm Netcraft. OpenSSL credited Google Security with successfully forging various certificates and providing the fix."
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