SANS Stormcast Wednesday, October 29th, 2025: Invisible Subject Character Phishing; Tomcat PUT Vuln; BIND9 Spoofing Vuln PoC

SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

Phishing with Invisible Characters in the Subject Line
Phishing emails use invisible UTF-8 encoded characters to break up keywords used to detect phishing (or spam). This is aided by mail clients not rendering some characters that should be rendered.
https://isc.sans.edu/diary/A%20phishing%20with%20invisible%20characters%20in%20the%20subject%20line/32428
Apache Tomcat PUT Directory Traversal
Apache released an update to Tomcat fixing a directory traversal vulnerability in how the PUT method is used. Exploits could upload arbitrary files, leading to remote code execution.
https://lists.apache.org/thread/n05kjcwyj1s45ovs8ll1qrrojhfb1tog
BIND9 DNS Spoofing Vulnerability
A PoC exploit is now available for the recently patched BIND9 spoofing vulnerability
https://gist.github.com/N3mes1s/f76b4a606308937b0806a5256bc1f918