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Check Point response to OpenSSL ASN1 BIO vulnerability (CVE-2012-2110, CVE-2012-2131)


The asn1_d2i_read_bio function in OpenSSL before 0.9.8v, 1.0.0 before 1.0.0i, and 1.0.1 before 1.0.1a does not properly interpret integer data, which allows remote attackers to conduct buffer overflow attacks, and cause a denial of service (memory corruption) or possibly have unspecified other impact, via crafted DER data, as demonstrated by an X.509 certificate or an RSA public key.


It was discovered that the fix for CVE-2012-2110 released on 19 Apr 2012 was not sufficient to correct the issue for OpenSSL 0.9.8.


Check Point Security Alert team has reviewed the code fix released by OpenSSL and concluded that vulnerable function is not used in Check Point products, therefore vulnerability is not relevant.

This solution has been verified for the specific scenario, described by the combination of Product, Version and Symptoms. It may not work in other scenarios.

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