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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
sec...@dell.com
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