CVE-2017-11906

Microsoft Windows - 'jscript!RegExpFncObj::LastParen' Out-of-Bounds Read

Severity Score

5.3

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to obtain information to further compromise the user's system, due to how Internet Explorer handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-11887 and CVE-2017-11919.

Internet Explorer en Microsoft Windows 7 SP1, Windows Server 2008 y R2 SP1, Windows 8.1 y Windows RT 8.1, Windows Server 2012 y R2, Windows 10 Gold, 1511, 1607, 1703, 1709 y Windows Server 2016 permite que un atacante obtenga información para después comprometer el sistema del usuario por la manera en la que Internet Explorer gestiona los objetos en la memoria. Esta vulnerabilidad también se conoce como "Scripting Engine Information Disclosure Vulnerability". El ID de este CVE es diferente de CVE-2017-11887 y CVE-2017-11919.

There is an out-of-bounds read in jscript.dll library (used in IE, WPAD and other places).

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-07-31 CVE Reserved
2017-12-12 CVE Published
2024-08-24 EPSS Updated
2024-09-16 CVE Updated
2024-09-16 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (4)

URL	Tag	Source
http://www.securityfocus.com/bid/102078	Third Party Advisory
http://www.securitytracker.com/id/1039993	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/43372	2024-09-16

URL	Date	SRC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11906	2017-12-26

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	11 Search vendor "Microsoft" for product "Internet Explorer" and version "11"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 10 Search vendor "Microsoft" for product "Windows 10"	-	-	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	11 Search vendor "Microsoft" for product "Internet Explorer" and version "11"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 10 Search vendor "Microsoft" for product "Windows 10"	1511 Search vendor "Microsoft" for product "Windows 10" and version "1511"	-	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	11 Search vendor "Microsoft" for product "Internet Explorer" and version "11"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 10 Search vendor "Microsoft" for product "Windows 10"	1607 Search vendor "Microsoft" for product "Windows 10" and version "1607"	-	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	11 Search vendor "Microsoft" for product "Internet Explorer" and version "11"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 10 Search vendor "Microsoft" for product "Windows 10"	1703 Search vendor "Microsoft" for product "Windows 10" and version "1703"	-	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	11 Search vendor "Microsoft" for product "Internet Explorer" and version "11"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 10 Search vendor "Microsoft" for product "Windows 10"	1709 Search vendor "Microsoft" for product "Windows 10" and version "1709"	-	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	11 Search vendor "Microsoft" for product "Internet Explorer" and version "11"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 7 Search vendor "Microsoft" for product "Windows 7"	*	sp1	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	11 Search vendor "Microsoft" for product "Internet Explorer" and version "11"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows 8.1 Search vendor "Microsoft" for product "Windows 8.1"	*	-	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	11 Search vendor "Microsoft" for product "Internet Explorer" and version "11"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Rt 8.1 Search vendor "Microsoft" for product "Windows Rt 8.1"	*	-	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	11 Search vendor "Microsoft" for product "Internet Explorer" and version "11"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"	r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2"	sp1	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	11 Search vendor "Microsoft" for product "Internet Explorer" and version "11"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012"	r2 Search vendor "Microsoft" for product "Windows Server 2012" and version "r2"	-	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	11 Search vendor "Microsoft" for product "Internet Explorer" and version "11"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2016 Search vendor "Microsoft" for product "Windows Server 2016"	*	-	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	9 Search vendor "Microsoft" for product "Internet Explorer" and version "9"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"	*	sp2	Safe
Microsoft Search vendor "Microsoft"	Internet Explorer Search vendor "Microsoft" for product "Internet Explorer"	10 Search vendor "Microsoft" for product "Internet Explorer" and version "10"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Server 2012 Search vendor "Microsoft" for product "Windows Server 2012"	-	-	Safe