Microsoft Internet Explorer 9 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 has been found in Microsoft Internet Explorer 9 (Web Browser) and classified as critical. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability."

The weakness was disclosed 07/14/2015 as MS15-065 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is known as CVE-2015-2391 since 03/19/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/31/2022). 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 84761 (MS15-065: Cumulative Security Update for Internet Explorer (3076321)), 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 100244 (Microsoft Internet Explorer Cumulative Security Update (MS15-065)).

Applying the patch MS15-065 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 20043.

The vulnerability is also documented in the vulnerability database at Tenable (84761). The entries 76435, 76436, 76437 and 76441 are pretty similar.

Productinfo

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Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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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

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84761
Nessus Name: MS15-065: Cumulative Security Update for Internet Explorer (3076321)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS15-065
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

03/19/2015 🔍
07/14/2015 +117 days 🔍
07/14/2015 +0 days 🔍
07/14/2015 +0 days 🔍
07/15/2015 +1 days 🔍
07/15/2015 +0 days 🔍
05/31/2022 +2512 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-065
Status: Confirmed

CVE: CVE-2015-2391 (🔍)
OVAL: 🔍

SecurityTracker: 1032894
Vulnerability Center: 51178 - [MS15-065] Microsoft Internet Explorer 9 Remote DoS or Code Execution Vulnerability - CVE-2015-2391, Critical
SecurityFocus: 75613

See also: 🔍

Entryinfo

Created: 07/15/2015 14:01
Updated: 05/31/2022 17:16
Changes: 07/15/2015 14:01 (60), 04/07/2017 12:13 (10), 05/31/2022 17:08 (2), 05/31/2022 17:16 (1)
Complete: 🔍

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