VDB-135481 · CVE-2019-5803 · Qualys 371692

Google Chrome up to 73 Content Security Policy HTML Page input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Google Chrome up to 73 and classified as critical. Impacted is an unknown function of the component Content Security Policy. This manipulation as part of HTML Page causes input validation. This vulnerability is handled as CVE-2019-5803. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Google Chrome up to 73 (Web Browser) and classified as critical. Affected by this vulnerability is an unknown part of the component Content Security Policy. The manipulation as part of a HTML Page leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Insufficient policy enforcement in Content Security Policy in Google Chrome prior to 73.0.3683.75 allowed a remote attacker to bypass content security policy via a crafted HTML page.

The bug was discovered 03/12/2019. The weakness was released 05/23/2019 (Website). The advisory is shared at lists.opensuse.org. This vulnerability is known as CVE-2019-5803 since 01/09/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/15/2020). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 72 days. During that time the estimated underground price was around $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371692 (Google Chrome Prior To 73.0.3683.75 Multiple Vulnerability).

Upgrading to version 73.0.3683.75 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-135466, VDB-135467, VDB-135468 and VDB-135469. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 73.0.3683.75

Timelineinfo

01/09/2019 🔍
03/12/2019 +62 days 🔍
05/23/2019 +72 days 🔍
05/24/2019 +1 days 🔍
06/15/2020 +388 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: lists.opensuse.org
Status: Confirmed

CVE: CVE-2019-5803 (🔍)
GCVE (CVE): GCVE-0-2019-5803
GCVE (VulDB): GCVE-100-135481
See also: 🔍

Entryinfo

Created: 05/24/2019 22:13
Updated: 06/15/2020 13:00
Changes: 05/24/2019 22:13 (63), 06/15/2020 13:00 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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