CVE-2011-1923

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-06-20 · updated 2026-06-16
Weakness: CWE-310

Description

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 products

PolarSSL: through 0.14.0; 0.10.0, 0.10.1, 0.11.0, 0.11.1, 0.12.0, 0.12.1 (+1)

References

http://polarssl.org/trac/wiki/SecurityAdvisory201101
http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf
http://www.nessus.org/plugins/index.php?view=single&id=53360
http://www.securityfocus.com/bid/46670
http://polarssl.org/trac/wiki/SecurityAdvisory201101
http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf
http://www.nessus.org/plugins/index.php?view=single&id=53360
http://www.securityfocus.com/bid/46670

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