Buffer Over-read in RSA BSAFE Crypto-C Micro Edition and Micro Edition Suite

1) Buffer Over-read

EUVDB-ID: #VU21458

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 - Buffer over-read

Exploit availability: No

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: All versions

RSA BSAFE Crypto-C: All versions

CPE2.3

• cpe:2.3:a:dell:rsa_bsafe_micro_edition_suite:*:*:*:*:*:*:*:*
• cpe:2.3:a:dell:rsa_bsafe_crypto-c:*:*:*:*:*:*:*:*

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

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.