Vulnerability Details CVE-2015-3216
Race condition in a certain Red Hat patch to the PRNG lock implementation in the ssleay_rand_bytes function in OpenSSL, as distributed in openssl-1.0.1e-25.el7 in Red Hat Enterprise Linux (RHEL) 7 and other products, allows remote attackers to cause a denial of service (application crash) by establishing many TLS sessions to a multithreaded server, leading to use of a negative value for a certain length field.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.012
EPSS Ranking 77.7%
CVSS Severity
CVSS v2 Score 4.3
References
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00006.html
- http://rhn.redhat.com/errata/RHSA-2015-1115.html
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- http://www.securityfocus.com/bid/75219
- http://www.securitytracker.com/id/1032587
- https://bugzilla.redhat.com/show_bug.cgi?id=1225994
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00006.html
- http://rhn.redhat.com/errata/RHSA-2015-1115.html
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- http://www.securityfocus.com/bid/75219
- http://www.securitytracker.com/id/1032587
- https://bugzilla.redhat.com/show_bug.cgi?id=1225994
Products affected by CVE-2015-3216
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cpe:2.3:a:openssl:openssl:1.0.1e-25.el7
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cpe:2.3:o:redhat:enterprise_linux:7.0