Vulnerability in OpenSSL
CVE-2013-0166
OpenSSL before 0.9.8y, 1.0.0 before 1.0.0k, and 1.0.1 before 1.0.1d does not properly perform signature verification for OCSP responses, which allows remote OCSP servers to cause a denial of service (NULL pointer dereference and application crash) via an invalid key.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.197 (97.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.197 · newest: 0.197 · change: 0.000
Affected products
- OpenSSL — versions 0.9.1c, 0.9.2b, 0.9.3
- Red Hat OpenSSL — versions 0.9.6-15, 0.9.6b-3, 0.9.7a-2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.openssl.org/gitweb/
- rhn.redhat.com/errata/RHSA-2013-0587.html (vendor-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:19360 (signature, vdb-entry)
- secunia.com/advisories/55139 (third-party-advisory)
- www.openssl.org/news/secadv_20130204.txt (Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi
- marc.info/ (vendor-advisory)
- marc.info/ (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html (vendor-advisory)
- marc.info/ (vendor-advisory)
Frequently asked questions
- What is CVE-2013-0166?
- CVE-2013-0166 is a vulnerability in OpenSSL, classified under Cryptographic Issues. Published 2013-02-08.
- Is CVE-2013-0166 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.