Microsoft .NET Framework up to 4.6 ASLR information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft .NET Framework up to 4.6. This vulnerability affects unknown code of the component ASLR. The manipulation leads to information disclosure. This vulnerability is documented as CVE-2015-6115. The attack can be initiated remotely. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft .NET Framework up to 4.6 (Programming Language Software). It has been rated as critical. This issue affects an unknown code of the component ASLR. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Microsoft .NET Framework 2.0 SP2, 3.5, and 3.5.1 allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka ".NET ASLR Bypass."

The weakness was released 11/10/2015 with Microsoft as MS15-118 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. The identification of this vulnerability is CVE-2015-6115 since 08/14/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 86825 (MS15-118: Security Update for .NET Framework to Address Elevation of Privilege (3104507)), 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 91108 (Microsoft .Net Framework Multiple Vulnerabilities (MS15-118)).

Applying the patch MS15-118 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 21912.

The vulnerability is also documented in the databases at Tenable (86825), SecurityFocus (BID 77482†) and Vulnerability Center (SBV-54328†). Entries connected to this vulnerability are available at VDB-79179 and VDB-79180. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86825
Nessus Name: MS15-118: Security Update for .NET Framework to Address Elevation of Privilege (3104507)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 103306
OpenVAS Name: Microsoft .NET Framework Privilege Elevation Vulnerabilities (3104507)
OpenVAS File: 🔍
OpenVAS 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: MS15-118
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

08/14/2015 🔍
11/10/2015 +88 days 🔍
11/10/2015 +0 days 🔍
11/10/2015 +0 days 🔍
11/10/2015 +0 days 🔍
11/11/2015 +1 days 🔍
11/11/2015 +0 days 🔍
11/11/2015 +0 days 🔍
06/27/2022 +2420 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-118
Organization: Microsoft
Status: Confirmed

CVE: CVE-2015-6115 (🔍)
GCVE (CVE): GCVE-0-2015-6115
GCVE (VulDB): GCVE-100-79181
SecurityFocus: 77482 - Microsoft .NET Framework CVE-2015-6115 ASLR Security Bypass Vulnerability
SecurityTracker: 1034116
Vulnerability Center: 54328 - [MS15-118] Microsoft .NET Framework Remote Security Bypass of ASLR Feature - CVE-2015-6115, Medium

See also: 🔍

Entryinfo

Created: 11/11/2015 17:02
Updated: 06/27/2022 10:07
Changes: 11/11/2015 17:02 (67), 04/05/2017 16:00 (14), 06/27/2022 10:04 (3), 06/27/2022 10:07 (1)
Complete: 🔍
Cache ID: 216::103

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