Microsoft Internet Explorer 11 MSHTML RemoveSplice memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 11. It has been rated as critical. The affected element is the function CSpliceTreeEngine::RemoveSplice of the component MSHTML. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2014-1785. The attack may be initiated remotely. In addition, an exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Internet Explorer 11 (Web Browser). This affects the function CSpliceTreeEngine::RemoveSplice of the component MSHTML. 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 issue has been introduced in 06/26/2013. The weakness was presented 06/10/2014 by Yujie Wen, Bo Qu and SkyLined with Zero Day Initiative as MS14-035 as confirmed bulletin (Technet) via ZDI (Zero Day Initiative). It is possible to read the advisory at technet.microsoft.com. This vulnerability is uniquely identified as CVE-2014-1785 since 01/29/2014. 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. Technical details and a public exploit are known.

A public exploit has been developed by Skylined and been published 3 years after the advisory. The exploit is shared for download 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 349 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 74427 (MS14-035: Cumulative Security Update for Internet Explorer (2969262)), 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 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. 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 13484.

The vulnerability is also documented in the databases at X-Force (92817), Exploit-DB (40946), Tenable (74427), SecurityFocus (BID 67878†) and Secunia (SA58768†). Further details are available at isc.sans.edu. See VDB-13306, VDB-13483, VDB-13498 and VDB-13512 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Support

Website

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 74427
Nessus Name: MS14-035: Cumulative Security Update for Internet Explorer (2969262)
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: 🔍
Exploit Delay Time: 🔍

Patch: MS14-035
TippingPoint: 🔍

McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

06/26/2013 🔍
01/29/2014 +217 days 🔍
05/23/2014 +114 days 🔍
06/10/2014 +18 days 🔍
06/10/2014 +0 days 🔍
06/10/2014 +0 days 🔍
06/10/2014 +0 days 🔍
06/10/2014 +0 days 🔍
06/11/2014 +1 days 🔍
06/11/2014 +0 days 🔍
06/11/2014 +0 days 🔍
12/20/2016 +923 days 🔍
12/20/2016 +0 days 🔍
07/20/2025 +3134 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS14-035
Researcher: Yujie Wen, Bo Qu, SkyLined
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2014-1785 (🔍)
GCVE (CVE): GCVE-0-2014-1785
GCVE (VulDB): GCVE-100-13503

OVAL: 🔍
IAVM: 🔍

X-Force: 92817 - Microsoft Internet Explorer code execution, High Risk
SecurityFocus: 67878 - Microsoft Internet Explorer CVE-2014-1785 Remote Memory Corruption Vulnerability
Secunia: 58768 - Microsoft Internet Explorer Multiple Vulnerabilities, Highly Critical
SecurityTracker: 1030370 - Microsoft Internet Explorer Multiple Memory Corruption Flaws Let Remote Users Execute Arbitrary Code
Vulnerability Center: 44897 - [MS14-035] Microsoft Internet Explorer 11 Remote Code Execution Vulnerability due to Memory Corruption - CVE-2014-1785, Critical

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

Entryinfo

Created: 06/11/2014 03:05
Updated: 07/20/2025 02:16
Changes: 06/11/2014 03:05 (93), 04/07/2017 12:05 (13), 06/22/2021 08:34 (2), 06/22/2021 08:38 (1), 07/20/2025 02:16 (14)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!