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qs before 6.10.3, as used in Express before 4.17.3 and other products, allows attackers to cause a Node process hang for an Express application because an __ proto__ key can be used. In many typical Express use cases, an unauthenticated remote attacker can place the attack payload in the query string of the URL that is used to visit the application, such as a[proto]=b&a[proto]&a[length]=100000000. The fix was backported to qs 6.9.7, 6.8.3, 6.7.3, 6.6.1, 6.5.3, 6.4.1, 6.3.3, and 6.2.4 (and therefore Express 4.17.3, which has "deps: qs@6.9.7" in its release description, is not vulnerable).
the web framework using ljharb's qs module older than v6.3.2, v6.2.3, v6.1.2, and v6.0.4 is vulnerable to a DoS. A malicious user can send a evil request to cause the web framework crash.
Found in HEAD commit: caf38324f5719d5c85806c516ecfb8f0177e29c0
Vulnerabilities
**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation
Details
Vulnerable Library - qs-2.3.3.tgz
A querystring parser that supports nesting and arrays, with a depth limit
Library home page: https://registry.npmjs.org/qs/-/qs-2.3.3.tgz
Dependency Hierarchy:
Found in HEAD commit: caf38324f5719d5c85806c516ecfb8f0177e29c0
Found in base branch: main
Vulnerability Details
qs before 6.10.3, as used in Express before 4.17.3 and other products, allows attackers to cause a Node process hang for an Express application because an __ proto__ key can be used. In many typical Express use cases, an unauthenticated remote attacker can place the attack payload in the query string of the URL that is used to visit the application, such as a[proto]=b&a[proto]&a[length]=100000000. The fix was backported to qs 6.9.7, 6.8.3, 6.7.3, 6.6.1, 6.5.3, 6.4.1, 6.3.3, and 6.2.4 (and therefore Express 4.17.3, which has "deps: qs@6.9.7" in its release description, is not vulnerable).
Publish Date: 2022-11-26
URL: CVE-2022-24999
CVSS 3 Score Details (7.5)
Base Score Metrics:
Suggested Fix
Type: Upgrade version
Origin: https://www.cve.org/CVERecord?id=CVE-2022-24999
Release Date: 2022-11-26
Fix Resolution (qs): 6.2.4
Direct dependency fix Resolution (http-server): 0.11.2
Vulnerable Library - ecstatic-2.2.2.tgz
A simple static file server middleware that works with both Express and Flatiron
Library home page: https://registry.npmjs.org/ecstatic/-/ecstatic-2.2.2.tgz
Dependency Hierarchy:
Found in HEAD commit: caf38324f5719d5c85806c516ecfb8f0177e29c0
Found in base branch: main
Vulnerability Details
ecstatic have a denial of service vulnerability. Successful exploitation could lead to crash of an application.
Publish Date: 2020-01-02
URL: CVE-2019-10775
CVSS 3 Score Details (7.5)
Base Score Metrics:
Suggested Fix
Type: Upgrade version
Release Date: 2020-01-08
Fix Resolution (ecstatic): 4.0.0
Direct dependency fix Resolution (http-server): 0.13.0
Vulnerable Library - qs-2.3.3.tgz
A querystring parser that supports nesting and arrays, with a depth limit
Library home page: https://registry.npmjs.org/qs/-/qs-2.3.3.tgz
Dependency Hierarchy:
Found in HEAD commit: caf38324f5719d5c85806c516ecfb8f0177e29c0
Found in base branch: main
Vulnerability Details
the web framework using ljharb's qs module older than v6.3.2, v6.2.3, v6.1.2, and v6.0.4 is vulnerable to a DoS. A malicious user can send a evil request to cause the web framework crash.
Publish Date: 2017-07-13
URL: CVE-2017-1000048
CVSS 3 Score Details (7.5)
Base Score Metrics:
Suggested Fix
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000048
Release Date: 2017-07-13
Fix Resolution (qs): 6.0.4
Direct dependency fix Resolution (http-server): 0.11.2
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