SSL: OpenSSL DTLS Handshake Memory Exhaustion Denial of Service
This signature detects attempts to exploit a known vulnerability against OpenSSL DTLS. The vulnerability is due to large memory consumption during reassembly of the fragmented DTLS handshake. A remote, unauthenticated attacker could exploit this vulnerability by sending specially crafted messages to a target. Successful exploitation could lead to a denial of service condition.
Extended Description
d1_both.c in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8zb, 1.0.0 before 1.0.0n, and 1.0.1 before 1.0.1i allows remote attackers to cause a denial of service (memory consumption) via crafted DTLS handshake messages that trigger memory allocations corresponding to large length values.
Affected Products
Openssl openssl
Short Name
SSL:OPENSSL-DTLS1-DOS
Severity
Major
Recommended
False
Recommended Action
Drop
Category
SSL
Keywords
CVE-2014-3506 DTLS Denial Exhaustion Handshake Memory OpenSSL Service bid:69076 of
Release Date
08/28/2014
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
3650
Port
UDP/4433
False Positive
Unknown
Vendors
Openssl
CVSS Score
5.0