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CVE-2017-16098

Good to know:

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Date: June 6, 2018

charset 1.0.0 and below are vulnerable to regular expression denial of service. Input of around 50k characters is required for a slow down of around 2 seconds. Unless node was compiled using the -DHTTP_MAX_HEADER_SIZE= option the default header max length is 80kb, so the impact of the ReDoS is relatively low.

Language: JS

Severity Score

Related Resources (7)

https://github.com/node-modules/charset
https://nodesecurity.io/advisories/524
https://github.com/node-modules/charset/commit/effda0c48c51b47a47f4cad7db0c51ee7407cc1b
https://github.com/node-modules/charset/issues/10
https://github.com/node-modules/charset/pull/11
https://nvd.nist.gov/vuln/detail/CVE-2017-16098
https://www.mend.io/vulnerability-database/CVE-2017-16098

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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