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Bad.Build Flaw in Google Cloud Build Raises Concerns of Privilege Escalation

July 19, 2023

Cybersecurity researchers have uncovered a privilege escalation vulnerability in Google Cloud that could enable malicious actors tamper with application images and infect users, leading to supply chain attacks.

The issue, dubbed Bad.Build, is rooted in the Google Cloud Build service, according to cloud security firm Orca, which discovered and reported the issue.

“By abusing the flaw and enabling an impersonation of the default Cloud Build service, attackers can manipulate images in the Google Artifact Registry and inject malicious code,” the company said in a statement shared with The Hacker News.

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