typora 0.9.9.24.6 on MacOS Shared Note directory traversal

A vulnerability was found in typora 0.9.9.24.6 on MacOS. It has been rated as critical. This issue affects some processing of the component Shared Note Handler. The manipulation with the input value file:/// leads to a directory traversal vulnerability. Using CWE to declare the problem leads to CWE-22. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Typora 0.9.9.24.6 on macOS allows directory traversal, for execution of arbitrary programs, via a file:/// or ../ substring in a shared note.

The weakness was released 05/16/2019. The identification of this vulnerability is CVE-2019-12137 since 05/16/2019. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/17/2019).

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: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.5
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Class: Directory traversal (CWE-22)
Local: Yes
Remote: No

Availability: ?
Status: Not defined

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Current Price Estimation: ?

Threat Intelligenceinfoedit

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Remediation: ?Recommended: no mitigation known
0-Day Time: ?05/16/2019 Advisory disclosed
05/16/2019 +0 days CVE assigned
05/17/2019 +1 days VulDB entry created
05/17/2019 +0 days VulDB last updateCVE: CVE-2019-12137 (?)Created: 05/17/2019 07:27 AM
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