intelligence_src_d11443da85ea659d49
- Source-provided label
- Publisher RSS metadata
- Evidence class
- mentioned in report
- Confidence
- Not reported
- Observed
- Jun 18, 2019 00:00 UTC
- Retrieved
- Oct 14, 2026 15:42 UTC
IAM privilege escalation via undocumented CodeStar API
The AWS CodeStar service had an undocumented API (codestar:CreateProjectFromTemplate) that allowed users with broadly-scoped CodeStar permissions to create a CodeStar project. As part of the creation process, AWS would create a new CodeStarWorker IAM policy & attach it to the user making the call. This policy granted full access to over 50 AWS services, including iam:AttachRolePolicy, iam:AttachUserPolicy and iam:PutRolePolicy permissions, which would allow the user to escalate to full administrator access. Following disclosure, AWS removed the majority of access granted by the CodeStarWorker policy, but this is still a viable escalation path if there are other misconfigurations in the environment.
Reference details
- Source category
- research-report
- First reported
- Jun 18, 2019 00:00 UTC
- Last reported
- Jun 18, 2019 00:00 UTC
- Catalog updated
- Oct 14, 2026 15:42 UTC
- Record ID
b78acbd7bf08c3c651a67f52f0c4157201eb3b5fadfceb857f3c3e4e2b386325
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1 sources: 0 stale, 0 needing attention, 0 paused, 0 unverified.
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