MacDown 0.7.1 file: URI HREF input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in MacDown 0.7.1 and classified as critical. This affects an unknown part of the component file: URI Handler. The manipulation of the argument HREF as part of Attribute results in input validation. This vulnerability was named CVE-2019-12173. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in MacDown 0.7.1. It has been classified as critical. Affected is an unknown code of the component file: URI Handler. The manipulation of the argument HREF as part of a Attribute leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

MacDown 0.7.1 (870) allows remote code execution via a file:\\\ URI, with a .app pathname, in the HREF attribute of an A element. This is different from CVE-2019-12138.

The bug was discovered 01/27/2019. The weakness was presented 05/18/2019. This vulnerability is traded as CVE-2019-12173 since 05/17/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 111 days. During that time the estimated underground price was around $0-$5k.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/27/2019 🔍
05/17/2019 +110 days 🔍
05/18/2019 +1 days 🔍
05/18/2019 +0 days 🔍
09/23/2023 +1589 days 🔍

Sourcesinfo

Advisory: 1050
Status: Not defined

CVE: CVE-2019-12173 (🔍)
GCVE (CVE): GCVE-0-2019-12173
GCVE (VulDB): GCVE-100-135258

Entryinfo

Created: 05/18/2019 12:21
Updated: 09/23/2023 09:00
Changes: 05/18/2019 12:21 (54), 06/13/2020 21:19 (1), 09/23/2023 09:00 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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