- Published
- Source
- CSO Online UK
- Filed under
- UK industry, Malware & exploits
Organizations are scrambling to protect themselves following the disclosure of two critical vulnerabilities in commonly used code that powers much of the internet. The flaws discovered in the PHP scripting language could allow attackers to perform unauthenticated remote code execution (RCE). On Wednesday morning, the PHP Foundation released patches for affected versions, and said it is “imperative” that organizations running PHP patch immediately. It said that all PHP installations serving web requests are at risk, including PHP-FPM, Apache with mod_php,…
Keeping malware out
- Keep operating systems, browsers and plugins patched – most malware arrives through known holes.
- Block macros and scripts from the internet, and let only approved software run where you can.
- Watch endpoint alerts for new persistence: scheduled tasks, services and run keys.
More helpNCSC: mitigating malware and ransomware attacks (opens in a new tab)
Defender’s notebook
The attacker technique behind this story, in MITRE’s terms – and what to check in your own estate.
Exploit Public-Facing Application
Initial AccessWhat a defender checks
- Find every internet-facing instance of the affected product.
- Patch, or apply the vendor's mitigation now – CISA's KEV list gives a deadline.
- Look for signs it was exploited before you patched: web shells, new accounts, odd outbound traffic.
Build the skillBlue Team Analyst · Vulnerability Management
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