#VU21458 Buffer Over-read in RSA BSAFE Micro Edition Suite and RSA BSAFE Crypto-C - CVE-2019-3728

Vulnerability identifier: #VU21458

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-3728

CWE-ID: CWE-126

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RSA BSAFE Micro Edition Suite
Client/Desktop applications / Other client software
RSA BSAFE Crypto-C
Server applications / Encryption software

Vendor: Dell

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to buffer over-read issue when processing DSA signature. A remote attacker can cause a crash in the library of the affected system.

This vulnerability affects the following versions:

• RSA BSAFE Crypto-C Micro Edition - versions prior to 4.0.5.4 (in 4.0.x) and prior 4.1.4 (in 4.1.x)
• RSA BSAFE Micro Edition Suite - versions prior to 4.0.13 (in 4.0.x) and prior to 4.4 (in 4.1.x, 4.2.x, 4.3.x)
  

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RSA BSAFE Micro Edition Suite: before 4.0.13

RSA BSAFE Crypto-C: before 4.0.5.4

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External links
https://www.dell.com/support/security/en-us/details/DOC-107000/DSA-2019-079-RSA-BSAFE®-Crypto-C-Micro-Edition-and-Micro-Edition-Suite-Multiple-Security-Vulnerab

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.