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CVE-2011-1923

Good to know:

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Date: June 20, 2012

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.

Language: C

Severity Score

Related Resources (6)

http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf
http://polarssl.org/trac/wiki/SecurityAdvisory201101
http://www.nessus.org/plugins/index.php?view=single&id=53360
http://www.securityfocus.com/bid/46670
https://nvd.nist.gov/vuln/detail/CVE-2011-1923
https://www.mend.io/vulnerability-database/CVE-2011-1923

Severity Score

Weakness Type (CWE)

Cryptographic Issues

CWE-310

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): HIGH
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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