CVE-2011-1923: Medium severity polarssl vulnerability

Published Jun 20, 2012
·
Updated

The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-5095.

Affected Software

8 affected components
PolarSSL PolarSSL=0.11.0
PolarSSL PolarSSL=0.13.1
PolarSSL PolarSSL=0.12.1
PolarSSL PolarSSL<=0.14.0
PolarSSL PolarSSL=0.11.1
PolarSSL PolarSSL=0.10.1
PolarSSL PolarSSL=0.12.0
PolarSSL PolarSSL=0.10.0

Event History

Jun 20, 2012
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2011-1923?

CVE-2011-1923 has a medium severity, as it allows for potential man-in-the-middle attacks.

2

How do I fix CVE-2011-1923?

To fix CVE-2011-1923, you should upgrade PolarSSL to version 0.14.2 or later.

3

What types of attacks can CVE-2011-1923 facilitate?

CVE-2011-1923 can facilitate man-in-the-middle attacks by allowing attackers to intercept and manipulate the Diffie-Hellman key exchange.

4

Which versions of PolarSSL are affected by CVE-2011-1923?

CVE-2011-1923 affects PolarSSL versions from 0.10.0 up to 0.14.0, excluding 0.14.2 and later.

5

What is the main cause of CVE-2011-1923?

The main cause of CVE-2011-1923 is the improper validation of public parameters in the Diffie-Hellman key-exchange implementation.

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