typora up to 0.9.9.20.3 Beta Left Outline Bar cross site scripting

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.
5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in typora up to 0.9.9.20.3 Beta. The impacted element is an unknown function of the component Left Outline Bar. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2019-6803. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in typora up to 0.9.9.20.3 Beta. This vulnerability affects some unknown functionality of the component Left Outline Bar. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

typora through 0.9.9.20.3 beta has XSS, with resultant remote command execution, via the left outline bar.

The bug was discovered 01/24/2019. The weakness was presented 01/25/2019 (Website). The advisory is available at github.com. This vulnerability was named CVE-2019-6803 since 01/24/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1 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: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
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: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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

01/24/2019 🔍
01/24/2019 +0 days 🔍
01/25/2019 +1 days 🔍
01/25/2019 +0 days 🔍
01/25/2019 +0 days 🔍
07/03/2023 +1620 days 🔍

Sourcesinfo

Advisory: 2124
Status: Not defined

CVE: CVE-2019-6803 (🔍)
GCVE (CVE): GCVE-0-2019-6803
GCVE (VulDB): GCVE-100-130258

Entryinfo

Created: 01/25/2019 16:09
Updated: 07/03/2023 14:25
Changes: 01/25/2019 16:09 (55), 05/06/2020 10:23 (1), 07/03/2023 14:25 (3)
Complete: 🔍
Cache ID: 216::103

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