CVE-2019-3729 Memory corruption in RSA BSAFE MES

Low 2.4 Published Updated

A heap-based buffer overflow in RSA BSAFE Micro Edition Suite allows adjacent attackers to cause a denial of service via crafted ECDSA signatures.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-3729?

CVE-2019-3729 is a low-severity memory corruption vulnerability in Dell RSA BSAFE MES, published on 30 Sep 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

RSA BSAFE Micro Edition Suite versions prior to 4.4 (in 4.0.x, 4.1.x, 4.2.x and 4.3.x) are vulnerable to a Heap-based Buffer Overflow vulnerability when parsing ECDSA signature. A malicious user with adjacent network access could potentially exploit this vulnerability to cause a crash in the library of the affected system.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2019-3729?

It affects 1 product.

Products include Dell Bsafe Micro-Edition-Suite.

How do I fix CVE-2019-3729?

No fix has been published for CVE-2019-3729 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-3729 being exploited?

There is no known exploitation of CVE-2019-3729 in the wild and no public exploit code.

Sources

Also known as GHSA-ff5p-8cgp-p5jc.

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