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CVE-2021-32823

Good to know:

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Date: June 23, 2021

In the bindata RubyGem before version 2.4.10 there is a potential denial-of-service vulnerability. In affected versions it is very slow for certain classes in BinData to be created. For example BinData::Bit100000, BinData::Bit100001, BinData::Bit100002, BinData::Bit<N>. In combination with <user_input>.constantize there is a potential for a CPU-based DoS. In version 2.4.10 bindata improved the creation time of Bits and Integers.

Language: Ruby

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2021-32823
https://github.com/rubysec/ruby-advisory-db/issues/476
https://about.gitlab.com/releases/2021/06/01/security-release-gitlab-13-12-2-released/#update-bindata-dependency
https://rubygems.org/gems/bindata
https://security-tracker.debian.org/tracker/CVE-2021-32823
https://github.com/dmendel/bindata/commit/d99f050b88337559be2cb35906c1f8da49531323
https://github.com/dmendel/bindata/blob/v2.4.10/ChangeLog.rdoc#version-2410-2021-05-18-
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-32823
https://www.mend.io/vulnerability-database/CVE-2021-32823

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Top Fix

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Upgrade to version bindata - 2.4.10

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CVSS v3.1

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

CVSS v2

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

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