Microsoft Internet Explorer 7/8/9/10/11 ASLR information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability was found in Microsoft Internet Explorer 7/8/9/10/11 (Web Browser). It has been declared as critical. Affected by this vulnerability is an unknown code of the component ASLR. 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, integrity, and availability. The summary by CVE is:

Microsoft Internet Explorer 7 through 11 and Edge allow remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "ASLR Bypass."

The weakness was released 08/11/2015 by Linan Hao as MS15-079 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is known as CVE-2015-2449 since 03/19/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 85333 (MS15-079: Cumulative Security Update for Internet Explorer (3082442)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91082 (Microsoft Edge Cumulative Security Update (MS15-091)).

Applying the patch MS15-079 is able to eliminate this problem. The bugfix is ready for download at technet.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 (85333), SecurityFocus (BID 76199†), SecurityTracker (ID 1033237†) and Vulnerability Center (SBV-51849†).

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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CVSSv2info

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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 85333
Nessus Name: MS15-079: Cumulative Security Update for Internet Explorer (3082442)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS15-079

Timelineinfo

03/19/2015 🔍
08/11/2015 +145 days 🔍
08/11/2015 +0 days 🔍
08/11/2015 +0 days 🔍
08/11/2015 +0 days 🔍
08/11/2015 +0 days 🔍
08/12/2015 +1 days 🔍
08/12/2015 +0 days 🔍
08/14/2015 +2 days 🔍
06/08/2022 +2489 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-079
Researcher: Linan Hao
Status: Confirmed

CVE: CVE-2015-2449 (🔍)
SecurityFocus: 76199 - Microsoft Internet Explorer and Edge CVE-2015-2449 ASLR Security Bypass Vulnerability
SecurityTracker: 1033237 - Microsoft Internet Explorer Multiple Bugs Let Remote Users Bypass ASLR, Obtain Potentially Sensitive Information, and Execute Arbitrary Code
Vulnerability Center: 51849 - [MS15-079, MS15-091] Microsoft Internet Explorer and Edge Remote Bypass Restrictions Vulnerability - CVE-2015-2449, Medium

Entryinfo

Created: 08/12/2015 11:48 AM
Updated: 06/08/2022 01:50 AM
Changes: 08/12/2015 11:48 AM (68), 04/07/2017 12:13 PM (10), 06/08/2022 01:50 AM (3)
Complete: 🔍
Cache ID: 35:FA8:40

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