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Improper Input Validation Affecting openssl package, versions <1.0.1t-1+deb8u4

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 28.61% (97th 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-DEBIAN8-OPENSSL-374620
  • published 16 Sep 2016
  • disclosed 16 Sep 2016
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Introduced: 16 Sep 2016

CVE-2016-6302 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Debian:8 openssl to version 1.0.1t-1+deb8u4 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 Debian. See How to fix? for Debian:8 relevant fixed versions and status.

The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short.

References