SSL: OpenSSL DHE Client Key Exchange Denial of Service
This signature detects attempts to exploit a known vulnerability against OpenSSL. A successful exploit can lead to denial of service in the context of the application.
Extended Description
The ssl3_get_client_key_exchange function in s3_srvr.c in OpenSSL 1.0.2 before 1.0.2a, when client authentication and an ephemeral Diffie-Hellman ciphersuite are enabled, allows remote attackers to cause a denial of service (daemon crash) via a ClientKeyExchange message with a length of zero.
Affected Products
Openssl openssl
Short Name
SSL:OPENSSL-DHE-DOS
Severity
Minor
Recommended
True
Recommended Action
Drop
Category
SSL
Keywords
CVE-2015-1787 Client DHE Denial Exchange Key OpenSSL Service bid:73238 of
Release Date
04/20/2015
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3375
False Positive
Unknown
Vendors
Openssl
CVSS Score
2.6