markdown-it up to 12.3.1 Pattern resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in markdown-it up to 12.3.1. It has been rated as problematic. This impacts an unknown function of the component Pattern Handler. The manipulation leads to resource consumption. This vulnerability is documented as CVE-2022-21670. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in markdown-it up to 12.3.1. This issue affects an unknown function of the component Pattern Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.

The weakness was released 01/11/2022 as GHSA-6vfc-qv3f-vr6c. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-21670 since 11/16/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 12.3.2 eliminates this vulnerability. Applying the patch ffc49ab46b5b751cd2be0aabb146f2ef84986101 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: markdown-it 12.3.2
Patch: ffc49ab46b5b751cd2be0aabb146f2ef84986101

Timelineinfo

11/16/2021 🔍
01/11/2022 +56 days 🔍
01/11/2022 +0 days 🔍
01/13/2022 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-6vfc-qv3f-vr6c
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-21670 (🔍)
GCVE (CVE): GCVE-0-2022-21670
GCVE (VulDB): GCVE-100-190001

Entryinfo

Created: 01/11/2022 07:39
Updated: 01/13/2022 13:29
Changes: 01/11/2022 07:39 (51), 01/13/2022 13:29 (2)
Complete: 🔍
Cache ID: 216::103

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