Remote code execution via unescaped module specifier
Published Aug 7, 2023 · Updated Oct 3, 2024
Improper input validation in Datadog import-in-the-middle before 1.4.2 allows remote attackers to execute code through a crafted module specifier. The ESM loader's hook.js interpolates import URLs and registration values into generated JavaScript string literals without escaping, allowing quote-breaking input to inject statements. Exploitation requires an application to pass attacker-controlled input directly to import() while the loader hook is enabled, and injected code runs in the application process.
Summary
What happened
Improper input validation in Datadog import-in-the-middle before 1.4.2 allows remote attackers to execute code through a crafted module specifier. The ESM loader's hook.js interpolates import URLs and registration values into generated JavaScript string literals without escaping, allowing quote-breaking input to inject statements. Exploitation requires an application to pass attacker-controlled input directly to import() while the loader hook is enabled, and injected code runs in the application process.
The record
- CVE
- CVE-2023-38704
- Published
- Aug 7, 2023
- Updated
- Oct 3, 2024
- Vendor
- Datadog
- Product
- import-in-the-middle
- Classifications
- CWE-20, T1059.007
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 7, 2023CVE publishedPublication date reported by the CVE source.
- Oct 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=< 1.4.2
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Crafted import URL regression payloadproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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