Microsoft Internet Explorer/Edge Request information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Microsoft Internet Explorer and Edge. This issue affects some unknown processing. Such manipulation as part of Request leads to information disclosure. This vulnerability is listed as CVE-2017-8592. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Internet Explorer and Edge (Web Browser) (affected version not known). Affected by this issue is some unknown functionality. The manipulation as part of a Request leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Microsoft browsers on when Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1, Windows RT 8.1, and Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow a security feature bypass vulnerability when they improperly handle redirect requests, aka "Microsoft Browser Security Feature Bypass".

The bug was discovered 07/11/2017. The weakness was presented 07/11/2017 with NCC Group as KB4025331 as confirmed security update guide (Website). The advisory is shared for download at portal.msrc.microsoft.com. This vulnerability is handled as CVE-2017-8592 since 05/03/2017. The attack may be launched remotely. Additional levels of successful authentication are necessary for 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 vulnerability scanner Nessus provides a plugin with the ID 101365 (Windows 8.1 and Windows Server 2012 R2 July 2017 Security Updates), 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 100315 (Microsoft Internet Explorer Security Update for July 2017).

Applying the patch KB4025331 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 (101365) and SecurityFocus (BID 99396†). See VDB-103402, VDB-103417, VDB-103418 and VDB-103419 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

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

Vendor Base Score (Microsoft): 3.5
Vendor Vector (Microsoft): 🔍

NVD Base Score: 6.5
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: 101365
Nessus Name: Windows 8.1 and Windows Server 2012 R2 July 2017 Security Updates
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802136
OpenVAS Name: Microsoft Windows Multiple Vulnerabilites (KB4025344)
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: KB4025331

Timelineinfo

05/03/2017 🔍
07/11/2017 +69 days 🔍
07/11/2017 +0 days 🔍
07/11/2017 +0 days 🔍
07/11/2017 +0 days 🔍
07/11/2017 +0 days 🔍
07/11/2017 +0 days 🔍
07/12/2017 +1 days 🔍
01/01/2021 +1269 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: KB4025331
Researcher: Soroush Dalili
Organization: NCC Group
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-8592 (🔍)
GCVE (CVE): GCVE-0-2017-8592
GCVE (VulDB): GCVE-100-103448

OVAL: 🔍

SecurityFocus: 99396 - Microsoft Edge and Internet Explorer CVE-2017-8592 Security Bypass Vulnerability
SecurityTracker: 1038859

See also: 🔍

Entryinfo

Created: 07/12/2017 10:45
Updated: 01/01/2021 07:43
Changes: 07/12/2017 10:45 (90), 10/25/2019 06:47 (5), 01/01/2021 07:38 (3), 01/01/2021 07:43 (1)
Complete: 🔍
Cache ID: 216::103

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