Microsoft Internet Explorer 7/8 VBScript 5.7/5.8 memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in Microsoft Internet Explorer 7/8. Impacted is an unknown function of the component VBScript 5.7/5.8. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2015-6136. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability, which was classified as critical, was found in Microsoft Internet Explorer 7/8 (Web Browser). This affects some unknown processing of the component VBScript 5.7/5.8. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was released 12/08/2015 by Simon Zuckerbraun with Zero Day Initiative as MS15-126 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is uniquely identified as CVE-2015-6136 since 08/14/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/29/2022). 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 87253 (MS15-124: Cumulative Security Update for Internet Explorer (3116180)), 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 100269 (Microsoft Internet Explorer Cumulative Security Update (MS15-124)).
Applying the patch MS15-126 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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 22005.
The vulnerability is also documented in the databases at Tenable (87253), SecurityFocus (BID 78538†) and Vulnerability Center (SBV-54869†). Entries connected to this vulnerability are available at VDB-79445, VDB-79446, VDB-79447 and VDB-79448. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Support
Website
- Vendor: https://www.microsoft.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: 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: 87253
Nessus Name: MS15-124: Cumulative Security Update for Internet Explorer (3116180)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: MS15-126
TippingPoint: 🔍
Fortigate IPS: 🔍
Timeline
08/14/2015 🔍12/08/2015 🔍
12/08/2015 🔍
12/08/2015 🔍
12/08/2015 🔍
12/09/2015 🔍
12/09/2015 🔍
12/09/2015 🔍
06/29/2022 🔍
Sources
Vendor: microsoft.comAdvisory: MS15-126
Researcher: Simon Zuckerbraun
Organization: Zero Day Initiative
Status: Confirmed
CVE: CVE-2015-6136 (🔍)
GCVE (CVE): GCVE-0-2015-6136
GCVE (VulDB): GCVE-100-79491
SecurityFocus: 78538 - Microsoft VBScript and JScript CVE-2015-6136 Remote Memory Corruption Vulnerability
SecurityTracker: 1034315
Vulnerability Center: 54869 - [MS15-124, MS15-126] Microsoft Jscript and VBScript Remote Code Execution due to Scripting Engine Memory Corruption, Critical
See also: 🔍
Entry
Created: 12/09/2015 12:10Updated: 06/29/2022 08:10
Changes: 12/09/2015 12:10 (64), 04/07/2017 12:14 (11), 06/29/2022 08:06 (3), 06/29/2022 08:10 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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