5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
0.024 Low
EPSS
Percentile
89.9%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | openssl | < 1.0.1k-1 | openssl_1.0.1k-1_all.deb |
Debian | 11 | all | openssl | < 1.0.1k-1 | openssl_1.0.1k-1_all.deb |
Debian | 999 | all | openssl | < 1.0.1k-1 | openssl_1.0.1k-1_all.deb |
Debian | 13 | all | openssl | < 1.0.1k-1 | openssl_1.0.1k-1_all.deb |