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Information Exposure The advisory has been revoked - it doesn't affect any version of package edk2  (opens in a new tab)

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4.76% (92nd percentile)

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  • Snyk IDSNYK-UBUNTU1604-EDK2-1049119
  • published9 Sept 2020
  • disclosed9 Sept 2020
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Introduced: 9 Sep 2020

CVE-2020-1968  (opens in a new tab)
CWE-203  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream edk2 package and not the edk2 package as distributed by Ubuntu.

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. This issue affects OpenSSL 1.0.2 which is out of support and no longer receiving public updates. OpenSSL 1.1.1 is not vulnerable to this issue. Fixed in OpenSSL 1.0.2w (Affected 1.0.2-1.0.2v).