Microsoft Edge information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Edge and classified as problematic. Affected is an unknown function. Executing a manipulation can lead to information disclosure. This vulnerability is tracked as CVE-2017-11833. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Microsoft Edge (Web Browser) (the affected version is unknown) and classified as problematic. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The bug was discovered 11/14/2017. The weakness was disclosed 11/14/2017 by Alex with Cure53 as KB4048953 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability was named CVE-2017-11833 since 07/31/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592. The advisory points out:

An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests. An attacker who successfully exploited this vulnerability could determine the origin of all webpages in the affected browser.

The vulnerability scanner Nessus provides a plugin with the ID 104552 (KB4048956: Windows 10 LTSB November 2017 Cumulative Update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91413 (Microsoft Edge Security Update for November 2017).

Applying the patch KB4048953 is able to eliminate this problem. The bugfix is ready for download at catalog.update.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (104552) and SecurityFocus (BID 101706†). The entries VDB-109334, VDB-109335, VDB-109336 and VDB-109337 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 4.3
Vendor Vector (Microsoft): 🔍

NVD Base Score: 3.1
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: Information disclosure
CWE: CWE-200 / 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: 104552
Nessus Name: KB4048956: Windows 10 LTSB November 2017 Cumulative Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 880598
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4048956)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: KB4048953

Timelineinfo

07/31/2017 🔍
11/14/2017 +106 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/15/2017 +1 days 🔍
01/23/2021 +1165 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: KB4048953
Researcher: Alex
Organization: Cure53
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-11833 (🔍)
GCVE (CVE): GCVE-0-2017-11833
GCVE (VulDB): GCVE-100-109372

OVAL: 🔍

SecurityFocus: 101706 - Microsoft Edge CVE-2017-11833 Information Disclosure Vulnerability
SecurityTracker: 1039797

See also: 🔍

Entryinfo

Created: 11/15/2017 10:38
Updated: 01/23/2021 15:06
Changes: 11/15/2017 10:38 (86), 12/06/2019 10:59 (7), 01/23/2021 15:06 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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