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Sandbox Breakout / Arbitrary Code Execution in safer-eval

Critical severity GitHub Reviewed Published Dec 6, 2019 in commenthol/safer-eval • Updated Feb 1, 2023

Package

npm safer-eval (npm)

Affected versions

<= 1.3.6

Patched versions

None

Description

All versions of safer-eval are vulnerable to Sandbox Escape leading to Remote Code Execution. The package fails to restrict access to the main context and is not suited to process arbitrary user input. This may allow attackers to execute arbitrary code in the system.

Recommendation

The package is not meant to receive user input. Consider using an alternative package until a fix is made available.

References

@commenthol commenthol published to commenthol/safer-eval Dec 6, 2019
Published by the National Vulnerability Database Dec 6, 2019
Published to the GitHub Advisory Database Dec 11, 2019
Reviewed Jun 16, 2020
Last updated Feb 1, 2023

Severity

Critical
9.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2019-10769

GHSA ID

GHSA-v63x-xc9j-hhvq

Source code

No known source code
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