Vulnerability in Openssl
CVE-2015-0205
The ssl3_get_cert_verify function in s3_srvr.c in OpenSSL 1.0.0 before 1.0.0p and 1.0.1 before 1.0.1k accepts client authentication with a Diffie-Hellman (DH) certificate without requiring a CertificateVerify message, which allows remote attackers to obtain access without knowledge of a private key via crafted TLS Handshake Protocol traffic to a server that recognizes a Certification Authority with DH support.
Vulnerability class: POODLE (CVE-2014-3566)
EPSS: 0.246 (97.7th percentile) — read the EPSS interpretation.
Affected products
- Openssl — versions 1.0.0a, 1.0.0b, 1.0.0c
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (vdb-entry, x_refsource_XF)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (vendor-advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_CISCO, vendor-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_HP, vendor-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_HP, vendor-advisory)
Frequently asked questions
- What is CVE-2015-0205?
- CVE-2015-0205 is a vulnerability in Openssl, classified under Cryptographic Issues. Published 2015-01-09.
- Is CVE-2015-0205 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.