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FreeBSD: apache24 -- X509 Client certificate based authentication can be bypassed when HTTP/2 is used (CVE-2016-4979)

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FreeBSD: apache24 -- X509 Client certificate based authentication can be bypassed when HTTP/2 is used (CVE-2016-4979)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
07/06/2016
Created
07/25/2018
Added
07/20/2016
Modified
10/30/2017

Description

The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the "SSLVerifyClient require" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation.

Solution(s)

  • freebsd-upgrade-package-apache24

References

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