CVE-2023-50979: Medium severity crypto++ vulnerability

Published Dec 18, 2023
·
Updated

Crypto++ (aka cryptopp) through 8.9.0 has a Marvin side channel during decryption with PKCS#1 v1.5 padding.

Affected Software

1 affected component
Cryptopp Crypto\+\+<=8.9.0

Event History

Dec 18, 2023
CVE Published
12:00 AM
Data Sourced
12:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2023-50979?

CVE-2023-50979 has been classified as a high severity vulnerability due to its exploitation potential through a side channel during cryptographic operations.

2

How does CVE-2023-50979 impact the security of applications using Crypto++?

CVE-2023-50979 allows attackers to exploit side channel vulnerabilities during decryption, potentially exposing sensitive data.

3

How can I fix CVE-2023-50979?

To mitigate CVE-2023-50979, update Crypto++ to a version newer than 8.9.0 where the issue has been addressed.

4

Which versions of Crypto++ are affected by CVE-2023-50979?

CVE-2023-50979 affects Crypto++ versions up to and including 8.9.0.

5

Is there a workaround for CVE-2023-50979 if I cannot upgrade Crypto++?

A recommended workaround for CVE-2023-50979 is to avoid using PKCS#1 v1.5 padding and switch to a more secure padding scheme.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203