CVE-2019-10769 — safer-eval is a npm package to sandbox the he evaluation of code used within the

safer-eval is a npm package to sandbox the he evaluation of code used within the eval function. Affected versions of this package are vulnerable to Arbitrary Code Execution via generating a RangeError.

01What is this vulnerability?

safer-eval is a npm package to sandbox the he evaluation of code used within the eval function. Affected versions of this package are vulnerable to Arbitrary Code Execution via generating a RangeError.

02Affected products

Vendor	Product	Versions
n	a / safer	eval — All versions

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-12-06T22:49:56.000Z
• Last modified: 2024-08-04T22:32:02.024Z

09References

• github.com — https://github.com/commenthol/safer-eval/security/advisories/GHSA-v63x-xc9j-hhvq
• snyk.io — https://snyk.io/vuln/SNYK-JS-SAFEREVAL-534901