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MEDIUM · 4.3

CVE-2006-4339

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 PKC...

Vulnerability 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.

CVSS Score

4.3

MEDIUM

AV:N/AC:M/Au:N/C:P/I:N/A:N
Confidentiality
PARTIAL
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
OpensslOpenssl<= 0.9.7

Related Weaknesses (CWE)

CWE-310

References

FAQ

What is CVE-2006-4339?

CVE-2006-4339 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 PKC...

How severe is CVE-2006-4339?

CVE-2006-4339 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2006-4339?

Check the references section above for vendor advisories and patch information. Affected products include: Openssl Openssl.