Microsoft Internet Explorer 7/8/9/10/11 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.
6.0$5k-$25k0.00

A vulnerability was found in Microsoft Internet Explorer 7/8/9/10/11 (Web Browser). It has been rated as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The software 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. Impacted is confidentiality, integrity, and availability.

The weakness was released 09/08/2015 by Kai Kang as MS15-094 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability is handled as CVE-2015-2494 since 03/19/2015. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/14/2022). 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 85845 (MS15-094: Cumulative Security Update for Internet Explorer (3089548)), 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 91092 (Microsoft Edge Cumulative Security Update (MS15-095)).

Applying the patch MS15-094 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.

The vulnerability is also documented in the databases at SecurityTracker (ID 1033487), Vulnerability Center (SBV-52489) and Tenable (85845). Entries connected to this vulnerability are available at 77596, 77597, 77598 and 77599.

Productinfo

Type

Vendor

Name

License

  • commercial

Support

  • end of life

CPE 2.3info

CPE 2.2info

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: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 85845
Nessus Name: MS15-094: Cumulative Security Update for Internet Explorer (3089548)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS15-094

Timelineinfo

03/19/2015 🔍
09/08/2015 +173 days 🔍
09/08/2015 +0 days 🔍
09/08/2015 +0 days 🔍
09/08/2015 +0 days 🔍
09/08/2015 +0 days 🔍
09/08/2015 +0 days 🔍
09/09/2015 +1 days 🔍
09/09/2015 +0 days 🔍
06/14/2022 +2470 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-094
Researcher: Kai Kang
Status: Confirmed

CVE: CVE-2015-2494 (🔍)
SecurityTracker: 1033487 - Microsoft Internet Explorer Multiple Bugs Let Remote Users Obtain Potentially Sensitive Information, Gain Elevated Privileges, Delete Files, and Execute Arbitrary Code
Vulnerability Center: 52489 - [MS15-094, MS15-095] Microsoft Internet Explorer 7-11 and Edge Remote Code Execution Vulnerability - CVE-2015-2494, Critical
SecurityFocus: 76570 - Microsoft Edge and Internet Explorer CVE-2015-2494 Remote Memory Corruption Vulnerability

See also: 🔍

Entryinfo

Created: 09/09/2015 10:02 AM
Updated: 06/14/2022 01:32 PM
Changes: 09/09/2015 10:02 AM (66), 04/07/2017 12:14 PM (10), 06/14/2022 01:32 PM (2)
Complete: 🔍

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