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ESA-2016-154: RSA BSAFE(r) Crypto-J Multiple Security Vulnerabilities

EMC Identifier:  ESA-2016-154

CVE Identifier:  CVE-2016-8212, CVE-2016-8217
 
Severity Rating: See below for scores for individual issues
 
Affected Products:
	RSA BSAFE Crypto-J versions prior to 6.2.2
 
Unaffected Products:
	RSA BSAFE Crypto-J 6.2.2
 
Summary:
RSA announces security fixes to RSA BSAFE(r) Crypto-J designed to address two security vulnerabilities in the Crypto-J JCE cryptographic provider.
 
Details:
 
	Improper OCSP Validation Vulnerability ( CVE-2016-8212)
OCSP responses have two time values; thisUpdate and nextUpdate. These specify a validity period, however both values are optional. Crypto-J treats the lack of a nextUpdate as indicating that the OCSP response is valid indefinitely instead of restricting its validity for a brief period surrounding the thisUpdate time. This vulnerability is similar to the issue described in CVE-2015-4748.
CVSS v3 Base Score: 4.8 (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)

	PKCS#12 Timing Attack Vulnerability (CVE-2016-8217)
A possible timing attack could be carried out by modifying a PKCS#12 file that has an integrity MAC for which the password is not known. An attacker could then feed the modified PKCS#12 file to the toolkit and guess the current MAC one by at a time. This is possible because Crypto-J uses a non-constant-time method to compare the stored MAC with the calculated MAC. This vulnerability is similar to the issue described in CVE-2015-2601.
CVSS v3 Base Score: 5.3  (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
 
Recommendation:
 
The below version contains a fix for the above issues
	RSA BSAFE Crypto-J 6.2.2 and later
 
RSA recommends affected customers upgrade to the version listed above at the earliest opportunity.
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