Microsoft Internet Explorer 8/9 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 was found in Microsoft Internet Explorer 8/9 (Web Browser). It has been rated as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The issue has been introduced in 03/05/2008. The weakness was released 05/12/2015 by Jihui Lu with KeenTeam as MS15-043 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The identification of this vulnerability is CVE-2015-1691 since 02/17/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/11/2022). 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 2624 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100232 (Microsoft Internet Explorer Cumulative Security Update (MS15-043)).

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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19833.

The vulnerability is also documented in the databases at Tenable (83358), SecurityFocus (BID 74507†), SecurityTracker (ID 1032282†) and Vulnerability Center (SBV-50017†). krebsonsecurity.com is providing further details. Entries connected to this vulnerability are available at VDB-75247, VDB-75248, VDB-75249 and VDB-75250.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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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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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 83358
Nessus Name: MS15-043: Cumulative Security Update for Internet Explorer (3049563)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS15-043
TippingPoint: 🔍
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Timelineinfo

03/05/2008 🔍
02/17/2015 +2540 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 🔍
05/11/2022 +2555 days 🔍

Sourcesinfo

Vendor: microsoft.com

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

CVE: CVE-2015-1691 (🔍)
OVAL: 🔍

SecurityFocus: 74507 - Microsoft Internet Explorer CVE-2015-1691 Remote Memory Corruption Vulnerability
SecurityTracker: 1032282 - Microsoft Internet Explorer Multiple Bugs Let Remote Users Bypass ASLR and Execute Arbitrary Code
Vulnerability Center: 50017 - [MS15-043] Microsoft Internet Explorer 8-9 Remote Code Execution due to Memory Corruption - CVE-2015-1691, Critical

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Entryinfo

Created: 05/13/2015 11:37 AM
Updated: 05/11/2022 08:50 AM
Changes: 05/13/2015 11:37 AM (73), 04/07/2017 12:13 PM (10), 05/11/2022 08:45 AM (2), 05/11/2022 08:50 AM (1)
Complete: 🔍
Cache ID: 18:336:40

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