Improper input validation in Openssl
CVE-2016-6302
The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.264 (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
- Oracle Solaris — versions 10, 11.3
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (Patch, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com
Frequently asked questions
- What is CVE-2016-6302?
- CVE-2016-6302 is a high-severity vulnerability in Openssl, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-09-16.
- How severe is CVE-2016-6302?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-6302 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.