Microsoft Internet Explorer 11 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$5k-$25k0.00

A vulnerability was found in Microsoft Internet Explorer 11 (Web Browser) and classified as critical. Affected by this issue is some unknown processing. 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 issue has been introduced in 06/26/2013. The weakness was released 05/12/2015 by Jihui Lu as MS15-043 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability is handled as CVE-2015-1718 since 02/17/2015. 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 $5k-$25k at the moment (estimation calculated on 05/17/2022). It is expected to see the exploit prices for this product decreasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 685 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 83358 (MS15-043: Cumulative Security Update for Internet Explorer (3049563)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins.

Applying the patch MS15-043 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 vulnerability database at Tenable (83358). krebsonsecurity.com is providing further details. Entries connected to this vulnerability are available at 75247, 75248, 75249 and 75250.

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: 83358
Nessus Name: MS15-043: Cumulative Security Update for Internet Explorer (3049563)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS15-043
Fortigate IPS: 🔍

Timelineinfo

06/26/2013 🔍
02/17/2015 +601 days 🔍
05/12/2015 +84 days 🔍
05/12/2015 +0 days 🔍
05/12/2015 +0 days 🔍
05/12/2015 +0 days 🔍
05/12/2015 +0 days 🔍
05/13/2015 +1 days 🔍
05/13/2015 +0 days 🔍
05/13/2015 +0 days 🔍
05/17/2022 +2561 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-043
Researcher: Jihui Lu
Status: Confirmed

CVE: CVE-2015-1718 (🔍)
OVAL: 🔍

SecurityTracker: 1032282 - Microsoft Internet Explorer Multiple Bugs Let Remote Users Bypass ASLR and Execute Arbitrary Code
Vulnerability Center: 50060 - [MS15-043] Microsoft Internet Explorer 11 Remote Code Execution due to Memory Corruption - CVE-2015-1718, Critical
SecurityFocus: 74607 - Microsoft Internet Explorer CVE-2015-1718 Remote Memory Corruption Vulnerability

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 05/13/2015 11:37 AM
Updated: 05/17/2022 08:33 AM
Changes: 05/13/2015 11:37 AM (70), 04/07/2017 12:13 PM (9), 05/17/2022 08:29 AM (2), 05/17/2022 08:33 AM (1)
Complete: 🔍

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