Thursday 5 November
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Attackers abused OpsShield's cPGuard update channel to push a malicious root update

Severity
Critical
Sources
1

Attackers broke into the update system of a company that makes website server security software. For about 70 minutes they sent out a fake update that gave them top-level control over customer servers, and they also stole customer data. The company is urging customers to install a clean update and change their passwords and keys.

Like I’m new · Written by AI from 1 source · Wrong?

What to do

  1. Update cPGuard to the latest version and check that /etc/cron.d/i93677, /var/tmp/.i93677/ and /var/tmp/.cpg91511sh are gone, deleting them if they remain.
  2. Change root and all local user passwords, MySQL root and database passwords, and any passwords, API keys or tokens found in root shell histories.
  3. Generate new root SSH keys and remove the old ones from every server that trusted them, treating servers as compromised until this is done.
  4. Reset OpsShield billing portal passwords and turn on two-factor authentication.

Written by AI from the sources, checked against them

Full story timeline · 1 update

  1. Thu 5 NovemberAttackers turned OpsShield’s trusted update channel into a supply-chain attackCSO Online

Who reported · 1 outlet

CSO Online

Who and what is in it

Companies

Products

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