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Improper Input Validation Affecting openssl-libs package, versions <1:1.0.1e-51.el7_2.7

high

Snyk CVSS

    Attack Complexity High
    Availability High

    Threat Intelligence

    EPSS 61.21% (98th percentile)
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NVD
7.5 high
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Red Hat
5.9 medium

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  • Snyk ID SNYK-CENTOS7-OPENSSLLIBS-2070324
  • published 26 Jul 2021
  • disclosed 5 Jul 2016
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Introduced: 5 Jul 2016

CVE-2016-2181 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Centos:7 openssl-libs to version 1:1.0.1e-51.el7_2.7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl-libs package and not the openssl-libs package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The Anti-Replay feature in the DTLS implementation in OpenSSL before 1.1.0 mishandles early use of a new epoch number in conjunction with a large sequence number, which allows remote attackers to cause a denial of service (false-positive packet drops) via spoofed DTLS records, related to rec_layer_d1.c and ssl3_record.c.

References