VDB-170156 · CVE-2021-23341 · GCVE-0-2021-23341

prismjs up to 1.22.x prism-asciidoc/prism-rest/prism-tap/prism-eiffel resource consumption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in prismjs up to 1.22.x. This affects an unknown function of the component prism-asciidoc/prism-rest/prism-tap/prism-eiffel. Such manipulation leads to resource consumption. This vulnerability is documented as CVE-2021-23341. The attack can be executed 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 prismjs up to 1.22.x. Affected by this issue is an unknown function of the component prism-asciidoc/prism-rest/prism-tap/prism-eiffel. 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 02/18/2021 as SNYK-JS-PRISMJS-1076581. The advisory is shared for download at snyk.io. This vulnerability is handled as CVE-2021-23341. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 1.23.0 eliminates this vulnerability. Applying a patch 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

prismjs

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: prismjs 1.23.0
Patch: github.com

Timelineinfo

01/08/2021 🔍
02/18/2021 +41 days 🔍
02/18/2021 +0 days 🔍
03/03/2021 +13 days 🔍

Sourcesinfo

Advisory: SNYK-JS-PRISMJS-1076581
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-23341 (🔍)
GCVE (CVE): GCVE-0-2021-23341
GCVE (VulDB): GCVE-100-170156

Entryinfo

Created: 02/18/2021 19:10
Updated: 03/03/2021 14:03
Changes: 02/18/2021 19:10 (40), 03/03/2021 13:59 (5), 03/03/2021 14:03 (8)
Complete: 🔍
Cache ID: 216::103