Google Chrome prior 62.0.3202.62 Content Security Policy javascript: URL access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in Google Chrome. This vulnerability affects unknown code of the component Content Security Policy. The manipulation as part of javascript: URL leads to access control. This vulnerability was named CVE-2017-15387. The attack can be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability classified as critical has been found in Google Chrome (Web Browser). This affects an unknown part of the component Content Security Policy. The manipulation as part of a javascript: URL leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on integrity. The summary by CVE is:

Insufficient enforcement of Content Security Policy in Blink in Google Chrome prior to 62.0.3202.62 allowed a remote attacker to open javascript: URL windows when they should not be allowed to via a crafted HTML page.

The bug was discovered 10/17/2017. The weakness was released 02/07/2018 by Kushal Arvind Shah (xisigr) with Fortinet's FortiGuard Labs (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2017-15387 since 10/17/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 02/03/2023). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 104063 (FreeBSD : chromium -- multiple vulnerabilities (a692bffe-b6ad-11e7-a1c2-e8e0b747a45a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236535 (Red Hat Update for chromium-browser (RHSA-2017:2997)).

Upgrading to version 62.0.3202.62 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 (104063) and SecurityFocus (BID 101482†). Entries connected to this vulnerability are available at VDB-112940, VDB-112942, VDB-112943 and VDB-112944. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 104063
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (a692bffe-b6ad-11e7-a1c2-e8e0b747a45a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800562
OpenVAS Name: Google Chrome Security Updates(stable-channel-update-for-desktop-2017-10)-Windows
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 62.0.3202.62

Timelineinfo

10/17/2017 🔍
10/17/2017 +0 days 🔍
10/18/2017 +1 days 🔍
10/21/2017 +3 days 🔍
10/23/2017 +2 days 🔍
02/07/2018 +107 days 🔍
02/07/2018 +0 days 🔍
02/08/2018 +1 days 🔍
02/03/2023 +1821 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: RHSA-2017:2997⛔
Researcher: Kushal Arvind Shah (xisigr)
Organization: Fortinet's FortiGuard Labs
Status: Not defined

CVE: CVE-2017-15387 (🔍)
GCVE (CVE): GCVE-0-2017-15387
GCVE (VulDB): GCVE-100-112941

OVAL: 🔍

SecurityFocus: 101482 - Google Chrome Prior to 62.0.3202.62 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 02/08/2018 06:57 AM
Updated: 02/03/2023 08:31 PM
Changes: 02/08/2018 06:57 AM (78), 01/02/2020 02:45 PM (7), 02/03/2023 08:31 PM (4)
Complete: 🔍
Cache ID: 18:896:40

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