Google Chrome up to 57 Blink HTML Page CSP access control

CVSS Meta Temp Score
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CTI Interest Score
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5.6$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Google Chrome up to 57. The impacted element is an unknown function of the component Blink. The manipulation as part of HTML Page leads to access control (CSP). This vulnerability is uniquely identified as CVE-2017-5033. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome up to 57 (Web Browser). It has been rated as critical. This issue affects some unknown processing of the component Blink. The manipulation as part of a HTML Page leads to a access control vulnerability (CSP). Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Blink in Google Chrome prior to 57.0.2987.98 for Mac, Windows, and Linux and 57.0.2987.108 for Android failed to correctly propagate CSP restrictions to local scheme pages, which allowed a remote attacker to bypass content security policy via a crafted HTML page.

The bug was discovered 03/09/2017. The weakness was disclosed 04/24/2017 by Holger Fuhrmannek with Tencent (Website). It is possible to read the advisory at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2017-5033 since 01/02/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/02/2022). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 97783 (Debian DSA-3810-1 : chromium-browser - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236287 (Red Hat Update for chromium-browser Security (RHSA-2017:0499)).

Upgrading to version 57.0.2987.98 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97783) and SecurityFocus (BID 96767†). The entries VDB-99042, VDB-100544, VDB-100545 and VDB-100546 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
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

Name: CSP
Class: Access control / CSP
CWE: CWE-284 / CWE-266
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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Nessus ID: 97783
Nessus Name: Debian DSA-3810-1 : chromium-browser - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703810
OpenVAS Name: Debian Security Advisory DSA 3810-1 (chromium-browser - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 57.0.2987.98

Timelineinfo

01/02/2017 🔍
03/09/2017 +66 days 🔍
03/09/2017 +0 days 🔍
03/15/2017 +6 days 🔍
03/17/2017 +2 days 🔍
04/24/2017 +38 days 🔍
04/24/2017 +0 days 🔍
04/25/2017 +1 days 🔍
12/02/2022 +2047 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2017:0499
Researcher: Holger Fuhrmannek
Organization: Tencent
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5033 (🔍)
GCVE (CVE): GCVE-0-2017-5033
GCVE (VulDB): GCVE-100-100547

OVAL: 🔍

SecurityFocus: 96767 - Google Chrome Prior to 57.0.2987.98 Multiple Security Vulnerabilities
OSVDB: - CVE-2017-5033 - Google - Chrome - Security Bypass Issue

See also: 🔍

Entryinfo

Created: 04/25/2017 08:58
Updated: 12/02/2022 09:16
Changes: 04/25/2017 08:58 (79), 09/20/2020 17:25 (8), 12/02/2022 09:16 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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