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OpenSSL RSA Signature Forgery Vulnerability
Secunia Advisory: SA21709
Release Date: 2006-09-05
Last Update: 2006-09-12
Popularity: 25,082 views

Critical:
Less critical
Impact: Security Bypass
Where: From remote
Solution Status: Vendor Patch

Software:OpenSSL 0.9.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
A vulnerability has been reported in OpenSSL, which potentially can be exploited by malicious people to bypass certain security restrictions.

The vulnerability is caused due to an error within the verification of certain signatures. If an RSA key with exponent 3 is used, it may be possible to forge a PKCS #1 v1.5 signature signed by that key.

The vulnerability is reported in versions 0.9.7j and 0.9.8b. Prior versions may also be affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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