Microsoft Internet Explorer up to 11 CMarkup resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer up to 11. It has been declared as critical. The impacted element is an unknown function of the component CMarkup Handler. Executing a manipulation can lead to resource management. This vulnerability is handled as CVE-2014-1770. The attack can be executed remotely. Additionally, an exploit exists. This vulnerability has historical importance owing to its background and reception. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Microsoft Internet Explorer up to 11 (Web Browser) and classified as critical. This vulnerability affects some unknown processing of the component CMarkup Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in Microsoft Internet Explorer 8 allows remote attackers to execute arbitrary code via crafted JavaScript code that interacts improperly with a CollectGarbage function call on a CMarkup object allocated by the CMarkup::CreateInitialMarkup function.

The issue has been introduced in 03/22/2001. The weakness was released 05/21/2014 by Peter Van Eeckhoutte (corelanc0d3r) with Core as ZDI-14-140 as confirmed advisory (Website). The advisory is available at zerodayinitiative.com. The public release was coordinated with the vendor. The advisory contains:

This vulnerability is being disclosed publicly without a patch in accordance with the ZDI 180-day deadline.
This vulnerability was named CVE-2014-1770 since 01/29/2014. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/12/2025). It is expected to see the exploit prices for this product decreasing in the near future.This vulnerability has a historic impact due to its background and reception.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4808 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 74138 (Microsoft Internet Explorer 8 CMarkup Use-After-Free Remote Code Execution), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100202 (Microsoft Internet Explorer Multiple Remote Code Execution Vulnerabilities (MS14-035)).

Applying the patch MS14-035 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. It is possible to mitigate the problem by applying the configuration setting Disable Scripts/ActiveX Controls. The best possible mitigation is suggested to be patching the affected component. 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 13972.

The vulnerability is also documented in the databases at X-Force (92807), Exploit-DB (34010), Tenable (74138), SecurityFocus (BID 67544†) and Secunia (SA58768†). Additional details are provided at isc.sans.edu. Entries connected to this vulnerability are available at VDB-13498, VDB-13512, VDB-13511 and VDB-13510. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74138
Nessus Name: Microsoft Internet Explorer 8 CMarkup Use-After-Free Remote Code Execution
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS14-035
Config: Disable Scripts/ActiveX Controls
TippingPoint: 🔍

Timelineinfo

03/22/2001 🔍
11/10/2013 +4616 days 🔍
01/29/2014 +80 days 🔍
02/10/2014 +12 days 🔍
05/21/2014 +100 days 🔍
05/21/2014 +0 days 🔍
05/21/2014 +0 days 🔍
05/22/2014 +1 days 🔍
05/22/2014 +0 days 🔍
05/22/2014 +0 days 🔍
05/22/2014 +0 days 🔍
05/23/2014 +1 days 🔍
06/10/2014 +18 days 🔍
09/12/2025 +4112 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: ZDI-14-140
Researcher: Peter Van Eeckhoutte (corelanc0d3r)
Organization: Core
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2014-1770 (🔍)
GCVE (CVE): GCVE-0-2014-1770
GCVE (VulDB): GCVE-100-13306

OVAL: 🔍
IAVM: 🔍

CERT: 🔍
X-Force: 92807 - Microsoft Internet Explorer CMarkup code execution, Medium Risk
SecurityFocus: 67544 - Microsoft Internet Explorer CVE-2014-1770 Remote Code Execution Vulnerability
Secunia: 58768 - Microsoft Internet Explorer CMarkup Objects Use-After-Free Vulnerability, Highly Critical
SecurityTracker: 1030266 - Microsoft Internet Explorer CMarkup Object Processing Flaw Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 44597 - [MS14-035] Microsoft Internet Explorer 6 - 11 Remote Code Execution in CMarkup Objects, Critical

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/22/2014 17:31
Updated: 09/12/2025 03:33
Changes: 05/22/2014 17:31 (96), 04/07/2017 12:05 (8), 06/20/2021 09:56 (3), 01/10/2025 15:20 (15), 09/12/2025 03:33 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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