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superagent vulnerable to zip bomb attacks

Moderate severity GitHub Reviewed Published Aug 9, 2018 to the GitHub Advisory Database • Updated Sep 8, 2023

Package

npm superagent (npm)

Affected versions

< 3.7.0

Patched versions

3.7.0

Description

Affected versions of superagent do not check the post-decompression size of ZIP compressed HTTP responses prior to decompressing. This results in the package being vulnerable to a ZIP bomb attack, where an extremely small ZIP file becomes many orders of magnitude larger when decompressed.

This may result in unrestrained CPU/Memory/Disk consumption, causing a denial of service condition.

Recommendation

Update to version 3.7.0 or later.

References

Published to the GitHub Advisory Database Aug 9, 2018
Reviewed Jun 16, 2020
Last updated Sep 8, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS score

0.098%
(42nd percentile)

Weaknesses

CVE ID

CVE-2017-16129

GHSA ID

GHSA-8225-6cvr-8pqp

Source code

No known source code
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