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…
Does this matter?
Lower severity and a low EPSS score (4.30%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 4.30% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189, CWE-362
- Affected
- redhat/enterprise linux · openssl/openssl
- Source
- secalert@redhat.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.