Vulnerability · Published Dec 21, 2022 · Assigned by snyk

CVE-2022-25904Prototype Pollution

High 7.5

In plain English

A high-severity prototype pollution in safe-eval. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.9%top 38.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

All versions of package safe-eval are vulnerable to Prototype Pollution which allows an attacker to add or modify properties of the Object.prototype.Consolidate when using the function safeEval. This is because the function uses vm variable, leading an attacker to modify properties of the Object.prototype.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmsafe-evalno fix listedGHSA-33vh-7x8q-mg35

Affected products (as reported)

VendorProductVersions
n/a safe-eval 0 – before unspecified

Weakness: CWE-1321 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P

References