Privilege escalation in Amazon Web Services Cloudformation Bootstrap
CVE-2017-9450
The Amazon Web Services (AWS) CloudFormation bootstrap tools package (aka aws-cfn-bootstrap) before 1.4-19.10 allows local users to execute arbitrary code with root privileges by leveraging the ability to create files in an unspecified directory.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
Weakness classification (CWE)
References
- sintonen.fi/advisories/aws-cfn-bootstrap-local-code-execution-as-root.txt
- alas.aws.amazon.com/ALAS-2017-861.html (Vendor Advisory)
- www.securityfocus.com/bid/99972 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-9450?
- CVE-2017-9450 is a high-severity vulnerability in Amazon Web Services Cloudformation Bootstrap, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2017-10-30.
- How severe is CVE-2017-9450?
- High severity. CVSS v3 base score is 7.8 out of 10.