CVE-2011-1923

medium

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.

References

http://www.securityfocus.com/bid/46670

http://www.nessus.org/plugins/index.php?view=single&id=53360

http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf

http://polarssl.org/trac/wiki/SecurityAdvisory201101

Details

Source: Mitre, NVD

Published: 2012-06-20

Updated: 2013-10-24

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: Medium