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Integer Overflow or Wraparound Affecting openssl package, versions <0:1.0.1e-48.el6_8.4

0.0
medium

Snyk CVSS

    Attack Complexity High
    Availability High

    Threat Intelligence

    EPSS 4.55% (93rd 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-CENTOS6-OPENSSL-2137086
  • published 26 Jul 2021
  • disclosed 26 Jan 2017
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Introduced: 26 Jan 2017

CVE-2017-3731 Open this link in a new tab
CWE-190 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Centos:6 openssl to version 0:1.0.1e-48.el6_8.4 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.

If an SSL/TLS server or client is running on a 32-bit host, and a specific cipher is being used, then a truncated packet can cause that server or client to perform an out-of-bounds read, usually resulting in a crash. For OpenSSL 1.1.0, the crash can be triggered when using CHACHA20/POLY1305; users should upgrade to 1.1.0d. For Openssl 1.0.2, the crash can be triggered when using RC4-MD5; users who have not disabled that algorithm should update to 1.0.2k.

References