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FreeBSD: openssl -- Incorrect PKCS#1 v1.5 padding validation in crypto(3) (FreeBSD-SA-06:19.openssl) (CVE-2006-4339)

Severity CVSS Published Added Modified
4 (AV:N/AC:M/Au:N/C:P/I:N/A:N) September 05, 2006 May 08, 2014 February 21, 2017

Description

OpenSSL before 0.9.7, 0.9.7 before 0.9.7k, and 0.9.8 before 0.9.8c, when using an RSA key with exponent 3, removes PKCS-1 padding before generating a hash, which allows remote attackers to forge a PKCS #1 v1.5 signature that is signed by that RSA key and prevents OpenSSL from correctly verifying X.509 and other certificates that use PKCS #1.

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References

Solution

freebsd-upgrade-base-4_11-release-p21

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