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SSL Death Alert is a denial-of-service vulnerability in OpenSSL TLS/SSL handshake processing. In the affected ssl3_read_bytes code path, undefined plaintext SSL3_AL_WARNING alerts received during a handshake are improperly ignored while processing continues. An unauthenticated remote peer can repeatedly transmit records containing multiple such alerts after ClientHello, forcing excessive repeated processing. Affected releases include OpenSSL 0.9.8, all 1.0.1 releases, 1.0.2 through 1.0.2h, and 1.1.0.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a proof-of-concept (PoC) exploit for CVE-2016-8610, also known as the SSL Death Alert vulnerability in OpenSSL. The main file, 'ssl-death-alert.py', is a Python script that allows the user to specify a target domain/IP, port, SSL/TLS protocol version, number of alert messages, and number of threads. The script constructs a valid SSL/TLS Client Hello message followed by a large number of alert messages, which are sent repeatedly to the target server using multiple threads. This can overwhelm the server's resources, potentially causing a Denial of Service (DoS). The exploit is configurable via command-line arguments and targets any OpenSSL server supporting the specified protocol versions. The repository also includes a README.md with usage instructions and references for further information. No hardcoded endpoints are present; all targets are specified at runtime.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
18 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A CVE referenced by the Red Hat JBoss Web Server security advisory; no technical details are provided in the content.
A TLS/SSL handshake denial-of-service vulnerability in ALERT-packet processing that can exhaust CPU resources and prevent a server from accepting client connections.
A TLS/SSL denial-of-service vulnerability in handling malformed plaintext ALERT packets during the connection handshake, enabling remote CPU exhaustion and connection disruption.
A TLS/SSL handshake ALERT-packet processing flaw that allows remote CPU-exhaustion denial of service against TLS servers.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.