Microsoft Internet Explorer up to 11 ASLR GetRangeTopLeft access control

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

Summaryinfo

A vulnerability categorized as problematic has been discovered in Microsoft Internet Explorer up to 11. This affects the function CAutoRange::GetRangeTopLeft of the component ASLR. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2015-1661. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer up to 11 (Web Browser). It has been rated as critical. Affected by this issue is the function CAutoRange::GetRangeTopLeft of the component ASLR. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Microsoft Internet Explorer 6 through 11 allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "Internet Explorer ASLR Bypass Vulnerability."

The issue has been introduced in 03/22/2001. The weakness was disclosed 04/14/2015 by AbdulAziz Hariri with Zero Day Initiative as MS15-032 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is handled as CVE-2015-1661 since 02/17/2015. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 5136 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 82770 (MS15-032: Cumulative Security Update for Internet Explorer (3038314)), 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 100229 (Microsoft Internet Explorer Cumulative Security Update (MS15-032)).

Applying the patch MS15-032 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19332.

The vulnerability is also documented in the databases at Tenable (82770), SecurityFocus (BID 74006†), SecurityTracker (ID 1032108†) and Vulnerability Center (SBV-49591†). The entries VDB-74847, VDB-74849, VDB-74850 and VDB-74851 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
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: 82770
Nessus Name: MS15-032: Cumulative Security Update for Internet Explorer (3038314)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS15-032
TippingPoint: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/22/2001 🔍
01/06/2015 +5038 days 🔍
02/17/2015 +42 days 🔍
04/14/2015 +56 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/15/2015 +1 days 🔍
04/15/2015 +0 days 🔍
04/30/2015 +15 days 🔍
05/06/2022 +2563 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-032
Researcher: AbdulAziz Hariri
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2015-1661 (🔍)
GCVE (CVE): GCVE-0-2015-1661
GCVE (VulDB): GCVE-100-74852

OVAL: 🔍

SecurityFocus: 74006 - Microsoft Internet Explorer CVE-2015-1661 ASLR Security Bypass Vulnerability
SecurityTracker: 1032108 - Microsoft Internet Explorer Multiple Bugs Let Remote Users Bypass ASLR and Execute Arbitrary Code
Vulnerability Center: 49591 - [MS15-032] Microsoft Internet Explorer 6 - 11 Remote Security Bypass via a Crafted Web Site - CVE-2015-1661, Medium

See also: 🔍

Entryinfo

Created: 04/15/2015 10:35
Updated: 05/06/2022 09:35
Changes: 04/15/2015 10:35 (78), 04/07/2017 12:12 (10), 05/06/2022 09:35 (2)
Complete: 🔍
Cache ID: 216::103

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