Heap inspection in RSA BSAFE Crypto-C Micro Edition

1) Heap inspection

EUVDB-ID: #VU21463

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-3733

CWE-ID: CWE-244 - Improper Clearing of Heap Memory Before Release ('Heap Inspection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

  The vulnerability exists due to using realloc() to resize buffers that store sensitive information can leave the sensitive information exposed to attack, because it is not removed from memory. A remote authenticated attacker can extract information leaving data at risk of exposure.

This vulnerability affects the following versions:

• RSA BSAFE Crypto-C Micro Edition - versions prior to 4.1.4 (4.0.x and 4.1.x)
  

Mitigation

Install updates from vendor's website.

Vulnerable software versions

RSA BSAFE Crypto-C: before 4.1.4

External links

http://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 authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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