Microsoft Internet Explorer up to 11 VBScript 5.6/5.7/5.8 vbscript.dll memory corruption

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

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer up to 11. It has been classified as critical. This impacts an unknown function in the library vbscript.dll of the component VBScript 5.6/5.7/5.8. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2015-2372. It is possible to initiate the attack remotely. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Microsoft Internet Explorer up to 11 (Web Browser) and classified as critical. Affected by this vulnerability is an unknown code block in the library vbscript.dll of the component VBScript 5.6/5.7/5.8. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

vbscript.dll in Microsoft VBScript 5.6 through 5.8, as used with Internet Explorer 6 through 11 and other products, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "VBScript Memory Corruption Vulnerability."

The weakness was shared 07/14/2015 as MS15-066 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is known as CVE-2015-2372 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. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/31/2022). It is expected to see the exploit prices for this product decreasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 84761 (MS15-065: Cumulative Security Update for Internet Explorer (3076321)), 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 100244 (Microsoft Internet Explorer Cumulative Security Update (MS15-065)).

Applying the patch MS15-066 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 20053.

The vulnerability is also documented in the databases at Tenable (84761), SecurityFocus (BID 75640†) and Vulnerability Center (SBV-51161†). The entries VDB-76435, VDB-76436, VDB-76437 and VDB-76441 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 84761
Nessus Name: MS15-065: Cumulative Security Update for Internet Explorer (3076321)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS15-066
TippingPoint: 🔍

Timelineinfo

03/19/2015 🔍
07/14/2015 +117 days 🔍
07/14/2015 +0 days 🔍
07/14/2015 +0 days 🔍
07/15/2015 +1 days 🔍
07/15/2015 +0 days 🔍
05/31/2022 +2512 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-066
Status: Confirmed

CVE: CVE-2015-2372 (🔍)
GCVE (CVE): GCVE-0-2015-2372
GCVE (VulDB): GCVE-100-76459

OVAL: 🔍

SecurityFocus: 75640
SecurityTracker: 1032894
Vulnerability Center: 51161 - [MS15-065, MS15-066] Microsoft Internet Explorer 6-11 and VBScript 5.6-5.8 Remote Code Execution or DoS - CVE-2015-2372, Critical

See also: 🔍

Entryinfo

Created: 07/15/2015 12:49
Updated: 05/31/2022 14:09
Changes: 07/15/2015 12:49 (62), 04/07/2017 12:13 (8), 05/31/2022 14:03 (2), 05/31/2022 14:09 (1)
Complete: 🔍
Cache ID: 216::103

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