CVE-2019-10914

pubRsaDecryptSignedElementExt in MatrixSSL 4.0.1 Open, as used in Inside Secure TLS Toolkit, has a stack-based buffer overflow during X.509 certificate…

published April 8, 2019

CVSS
—
EPSS
1%
Percentile
72.9
In the wild
Unconfirmed
What it is

⚠️ A stack-based buffer overflow sneaks in during X.509 certificate verification — a tiny oversight that can lead to big troubles! 🔥 Think of this as a restaurant that serves a delicious dish but forgets to check the ingredient list before adding the secret sauce. If the wrong ingredients make it onto the plate, it could spoil the entire meal! An attacker could exploit this oversight to crash the application or potentially execute arbitrary code — imagine the chaos if an unwanted ingredient ends up in the mix! While this vulnerability has not been exploited yet, the mere possibility is absolutely concerning.

Put simply

Think of this as a restaurant that serves a delicious dish but forgets to check the ingredient list before adding the secret sauce. If the wrong ingredients make it onto the plate, it could spoil the entire meal! The vulnerability in MatrixSSL version 4.0.1 occurs in the pubRsaDecryptSignedElementExt function, where a lack of proper validation in the psRsaDecryptPubExt function allows for a stack-based buffer overflow when verifying X.509 certificates.

What to do

An attacker could exploit this oversight to crash the application or potentially execute arbitrary code — imagine the chaos if an unwanted ingredient ends up in the mix! While this vulnerability has not been exploited yet, the mere possibility is absolutely concerning. Upgrade MatrixSSL to the latest version to close this vulnerability immediately. Additionally, implement strict input validation to ensure that all data conforms to expected formats before processing. Don't delay; keeping your software up-to-date is critical! You've got this! With a quick update and some best practices, you'll lock down your security like a pro! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01438 · 72.9th percentile
Published
2019-04-08T13:31Z
EPSS history
Timeline
  • 08 APR 13:31Z
    pubRsaDecryptSignedElementExt in MatrixSSL 4.0.1 Open, as used in Inside Secure TLS Toolkit, has a stack-based buffer overflow during X.509 certificate…
    cvelistv5