2020-19472 | PDF2JSON readHuffSym denial of service


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.

3.5 $0-$5k 0.64

A vulnerability was found in PDF2JSON 0.70 and classified as problematic. Affected by this issue is the function DCTStream::readHuffSym. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. Impacted is availability. CVE summarizes:

An issue has been found in function DCTStream::readHuffSym in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to an invalid read of size 2 .

The weakness was released 07/22/2021. The advisory is available at github.com. This vulnerability is handled as CVE-2020-19472 since 08/13/2020. Access to the local network is required for this attack. The requirement for exploitation is a simple authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Name

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

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: 🔍
Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒


0-Day unlock unlock unlock unlock
Today unlock unlock unlock unlock

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

08/13/2020 CVE assigned
07/22/2021 +343 days Advisory disclosed
07/22/2021 +0 days VulDB entry created
07/26/2021 +4 days VulDB last updateAdvisory: github.com
Status: Confirmed

CVE: CVE-2020-19472 (🔒)

Created: 07/22/2021 06:14
Updated: 07/26/2021 13:17
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍

Comments

Use the official API to access entries easily!



Source link