high
7.5
Advisory Published
Updated

CVE-2019-0190

First published: Tue Jan 22 2019(Updated: )

A bug exists in the way mod_ssl handled client renegotiations. A remote attacker could send a carefully crafted request that would cause mod_ssl to enter a loop leading to a denial of service. This bug can be only triggered with Apache HTTP Server version 2.4.37 when using OpenSSL version 1.1.1 or later, due to an interaction in changes to handling of renegotiation attempts.

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
Apache HTTP server=2.4.37
OpenSSL OpenSSL>=1.1.1
Oracle Enterprise Manager Ops Center=12.3.3
Oracle Hospitality Guest Access=4.2.0
Oracle Hospitality Guest Access=4.2.1
Oracle Instantis Enterprisetrack=17.1
Oracle Instantis Enterprisetrack=17.2
Oracle Instantis Enterprisetrack=17.3
Oracle Retail Xstore Point of Service=7.0
Oracle Retail Xstore Point of Service=7.1

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Reference Links

Frequently Asked Questions

  • What is CVE-2019-0190?

    CVE-2019-0190 is a vulnerability in Apache HTTP Server version 2.4.37 when using OpenSSL version 1.1.1 or later.

  • What is the severity of CVE-2019-0190?

    The severity of CVE-2019-0190 is high, with a CVSS score of 7.5.

  • How does CVE-2019-0190 work?

    CVE-2019-0190 allows a remote attacker to send a carefully crafted request, causing mod_ssl to enter a loop and leading to a denial of service.

  • Which software versions are affected by CVE-2019-0190?

    CVE-2019-0190 affects Apache HTTP Server version 2.4.37 when using OpenSSL version 1.1.1 or later.

  • How can I mitigate CVE-2019-0190?

    To mitigate CVE-2019-0190, upgrade to a version of Apache HTTP Server that is not affected or apply the necessary patches provided by the vendor.

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