Cryptographic Issues Affecting openssl package, versions <0:1.0.1e-30.el6_6.5


0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required

    Threat Intelligence

    EPSS 0.57% (78th percentile)
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NVD
5.3 medium
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Red Hat
4.3 medium

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  • Snyk ID SNYK-CENTOS6-OPENSSL-2109997
  • published 26 Jul 2021
  • disclosed 5 Jan 2015

How to fix?

Upgrade Centos:6 openssl to version 0:1.0.1e-30.el6_6.5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL servers to conduct ECDHE-to-ECDH downgrade attacks and trigger a loss of forward secrecy by omitting the ServerKeyExchange message.

References