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Test ID:
Title:OpenSSL: Raccoon Attack (CVE-2020-1968) (Linux)
Summary:OpenSSL is prone to Racoon attacks.
OpenSSL is prone to Racoon attacks.

Vulnerability Insight:
The Raccoon attack exploits a flaw in the TLS specification which can lead to
an attacker being able to compute the pre-master secret in connections which have used a Diffie-Hellman (DH)
based ciphersuite. In such a case this would result in the attacker being able to eavesdrop on all encrypted
communications sent over that TLS connection. The attack can only be exploited if an implementation re-uses a DH
secret across multiple TLS connections. Note that this issue only impacts DH ciphersuites and not ECDH ciphersuites.

Vulnerability Impact:
An attacker may eavesdrop on encrypted communications sent over a TLS connection.

Affected Software/OS:
OpenSSL versions 1.0.2 - 1.0.2v and probably 1.1.0.

Update OpenSSL to version 1.0.2w, 1.1.1 or later.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-1968
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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