md-to-pdf up to 4.x gray-matter Remote Code Execution

HistoryDiffrelatejsonxmlCTI

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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in md-to-pdf up to 4.x. Affected is an unknown function of the component gray-matter. This manipulation causes an unknown weakness. This vulnerability is registered as CVE-2021-23639. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in md-to-pdf up to 4.x. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component gray-matter. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 12/11/2021 as 99. The advisory is shared at github.com. This vulnerability is known as CVE-2021-23639 since 01/08/2021. Neither technical details nor an exploit are publicly available.

Upgrading to version 5.0.0 eliminates this vulnerability. Applying the patch a716259c548c82fa1d3b14a3422e9100619d2d8a 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

md-to-pdf

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (Snyk): 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
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: md-to-pdf 5.0.0
Patch: a716259c548c82fa1d3b14a3422e9100619d2d8a

Timelineinfo

01/08/2021 🔍
12/11/2021 +337 days 🔍
12/11/2021 +0 days 🔍
12/15/2021 +4 days 🔍

Sourcesinfo

Advisory: 99
Status: Confirmed

CVE: CVE-2021-23639 (🔍)
GCVE (CVE): GCVE-0-2021-23639
GCVE (VulDB): GCVE-100-187945

Entryinfo

Created: 12/11/2021 08:11
Updated: 12/15/2021 17:01
Changes: 12/11/2021 08:11 (49), 12/15/2021 17:01 (1)
Complete: 🔍
Cache ID: 216::103

Submitinfo

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