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RSA BSAFE Micro Edition Suite / Crypto-C Micro Edition Overflow / DoS

RSA BSAFE Micro Edition Suite / Crypto-C Micro Edition Overflow / DoS
Posted Aug 29, 2018
Site emc.com

RSA BSAFE Micro Edition Suite and Crypto-C Micro Edition suffer from resource exhaustion, integer overflow, improper clearing of heap memory, covert timing channel, and buffer over-read vulnerabilities.

tags | advisory, overflow, crypto, vulnerability
advisories | CVE-2018-11054, CVE-2018-11055, CVE-2018-11056, CVE-2018-11057, CVE-2018-11058
MD5 | 7f36cb3747b5ff6824d98003f1658462

RSA BSAFE Micro Edition Suite / Crypto-C Micro Edition Overflow / DoS

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DSA-2018-128: RSA BSAFE Micro Edition Suite and Crypto-C Micro Edition Multiple Security Vulnerabilities

Dell EMC Identifier: DSA-2018-128

CVE Identifier: CVE-2018-11054, CVE-2018-11055, CVE-2018-11056, CVE-2018-11057, CVE-2018-11058


Severity: High


Severity Rating: View details below for individual CVSS Score for each CVE.


Affected Products:

RSA BSAFE Crypto-C Micro Edition versions prior to 4.0.5.3 (CVE-2018-11056, CVE-2018-11058)
RSA BSAFE Micro Edition Suite versions prior to 4.1.6.1 in the 4.1.x series (CVE-2018-11055, CVE-2018-11056, CVE-2018-11057)
RSA BSAFE Micro Edition Suite version 4.1.6 (CVE-2018-11054)
RSA BSAFE Micro Edition Suite versions prior to 4.1.6 in the 4.1.x series (CVE-2018-11058)
RSA BSAFE Micro Edition Suite versions prior to 4.0.11 in the 4.0.x series (CVE-2018-11055, CVE-2018-11057, CVE-2018-11058)


Summary:

RSA BSAFE Micro Edition Suite and Crypto-C Micro Edition contain fixes for multiple security vulnerabilities that could potentially be exploited by malicious users to compromise the affected systems.



Details:

Integer overflow vulnerability - CVE-2018-11054
RSA BSAFE Micro Edition Suite, version 4.1.6, contains an integer overflow vulnerability. A remote attacker could use maliciously constructed ASN.1 data to potentially cause a Denial Of Service.
CVSS v3.0 Base Score: 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)


Improper Clearing of Heap Memory Before Release ('Heap Inspection') - CVE-2018-11055
RSA BSAFE Micro Edition Suite, versions prior to 4.0.11 (in 4.0.x) and prior to 4.1.6.1 (in 4.1.x), contains an Improper Clearing of Heap Memory Before Release ('Heap Inspection') vulnerability. Decoded PKCS #12 data in heap memory is not zeroized by MES before releasing the memory internally and a malicious local user could gain access to the unauthorized data by doing heap inspection.
CVSS v3.0 Base Score: 4.4 (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)


Uncontrolled Resource Consumption ('Resource Exhaustion') - CVE-2018-11056
RSA BSAFE Micro Edition Suite, prior to 4.1.6.1 (in 4.1.x), and RSA BSAFE Crypto-C Micro Edition versions prior to 4.0.5.3 (in 4.0.x) contain an Uncontrolled Resource Consumption ('Resource Exhaustion') vulnerability when parsing ASN.1 data. A remote attacker could use maliciously constructed ASN.1 data that would exhaust the stack, potentially causing a Denial Of Service.
CVSS v3.0 Base Score: 6.5 (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)


Covert Timing Channel - CVE-2018-11057
RSA BSAFE Micro Edition Suite, versions prior to 4.0.11 (in 4.0.x) and prior to 4.1.6.1 (in 4.1.x) contains a Covert Timing Channel vulnerability during RSA decryption, also known as a Bleichenbacher attack on RSA decryption. A remote attacker may be able to recover a RSA key.
CVSS v3.0 Base Score: 5.9 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)


Buffer over-read - CVE-2018-11058
RSA BSAFE Micro Edition Suite, versions prior to 4.0.11 (in 4.0.x) and prior to 4.1.6 (in 4.1.x), and RSA BSAFE Crypto-C Micro Edition, version prior to 4.0.5.3 (in 4.0.x) contain a Buffer Over-Read vulnerability when parsing ASN.1 data. A remote attacker could use maliciously constructed ASN.1 data that would result in such issue.
CVSS v3.0 Base Score: 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)



Recommendation:

The following RSA Micro Edition Suite release contains resolutions to these vulnerabilities:

RSA BSAFE Crypto-C Micro Edition version 4.0.5.3
RSA BSAFE Micro Edition Suite version 4.0.11
RSA BSAFE Micro Edition Suite version 4.1.6.1

RSA recommends all customers upgrade at the earliest opportunity.



For additional documentation, downloads, and more, visit the RSA BSAFE page on RSA Link.


Severity Rating:

For an explanation of Severity Ratings, refer to the Knowledge Base Article, "Security Advisories Severity Rating" at https://community.rsa.com/docs/DOC-47147. RSA recommends all customers take into account both the base score and any relevant temporal and environmental scores which may impact the potential severity associated with particular security vulnerability.



EOPS Policy:

RSA has a defined End of Primary Support policy associated with all major versions. Please refer to the Product Version Life Cycle for additional details.



Legal Information:

Read and use the information in this RSA Security Advisory to assist in avoiding any situation that might arise from the problems described herein. If you have any questions regarding this advisory, contact RSA Customer Support. RSA Security LLC and its affiliates, including without limitation, its ultimate parent company, Dell Technologies, distribute RSA Security Advisories in order to bring to the attention of users of the affected RSA products, important security information. RSA recommends that all users determine the applicability of this information to their individual situations and take appropriate action. The information set forth herein is provided "as is" without warranty of any kind. RSA disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event shall RSA, its affiliates or its suppliers, be liable for any damages whatsoever including direct, indirect, inciden
tal, consequential, loss of business profits or special damages, even if RSA, its affiliates or its suppliers have been advised of the possibility of such damages. Some jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation may not apply.

Dell Product Security Incident Response Team
secure@dell.com
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