CVE-2015-0207

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-03-19 · updated 2026-06-17

Description

The dtls1_listen function in d1_lib.c in OpenSSL 1.0.2 before 1.0.2a does not properly isolate the state information of independent data streams, which allows remote attackers to cause a denial of service (application crash) via crafted DTLS traffic, as demonstrated by DTLS 1.0 traffic to a DTLS 1.2 server.

Affected products

OpenSSL: 1.0.2, 1.0.2-beta1, 1.0.2-beta2, 1.0.2-beta3

References

http://marc.info/?l=bugtraq&m=143748090628601&w=2
http://marc.info/?l=bugtraq&m=144050155601375&w=2
http://marc.info/?l=bugtraq&m=144050297101809&w=2
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
http://www.securityfocus.com/bid/73229
http://www.securitytracker.com/id/1031929
https://bto.bluecoat.com/security-advisory/sa92
https://bugzilla.redhat.com/show_bug.cgi?id=1202351

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