Vulnerability in Openssl
CVE-2016-2179
The DTLS implementation in OpenSSL before 1.1.0 does not properly restrict the lifetime of queue entries associated with unused out-of-order messages, which allows remote attackers to cause a denial of service (memory consumption) by maintaining many crafted DTLS sessions simultaneously, related to d1_lib.c, statem_dtls.c, statem_lib.c, and statem_srvr.c.
EPSS: 0.266 (97.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Openssl — versions 1.0.1, 1.0.1a, 1.0.1b
- Oracle Linux — versions 6, 7
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2016-2179?
- CVE-2016-2179 is a high-severity vulnerability in Openssl, classified under CWE-399. CVSS score: 7.5/10. Published 2016-09-16.
- How severe is CVE-2016-2179?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-2179 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.