Resource Exhaustion Affecting openssl package, versions <1.0.2j-1


0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 20.25% (97th percentile)
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NVD
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-DEBIAN9-OPENSSL-373901
  • published 13 Nov 2017
  • disclosed 13 Nov 2017

How to fix?

Upgrade Debian:9 openssl to version 1.0.2j-1 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:9 relevant fixed versions and status.

A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients.