Microsoft XML Core Services 3.0 access control

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft XML Core Services 3.0. This affects an unknown function. Performing a manipulation results in access control. This vulnerability is identified as CVE-2015-1646. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Microsoft XML Core Services 3.0. It has been classified as critical. This affects an unknown code. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

Microsoft XML Core Services (aka MSXML) 3.0 allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted DTD, aka "MSXML3 Same Origin Policy SFB Vulnerability."

The weakness was released 04/14/2015 as MS15-039 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is uniquely identified as CVE-2015-1646 since 02/17/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 82775 (MS15-039: Vulnerability in XML Core Services Could Allow Security Feature Bypass (3046482)), 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 123518 (Microsoft XML Core Services Security Feature Bypass (MS15-039)).

Applying the patch MS15-039 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com.

The vulnerability is also documented in the databases at Tenable (82775), SecurityFocus (BID 74009†), SecurityTracker (ID 1032114†) and Vulnerability Center (SBV-49620†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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: Access control
CWE: CWE-264
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: 82775
Nessus Name: MS15-039: Vulnerability in XML Core Services Could Allow Security Feature Bypass (3046482)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS15-039
Fortigate IPS: 🔍

Timelineinfo

02/17/2015 🔍
04/14/2015 +56 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/14/2015 +0 days 🔍
04/15/2015 +1 days 🔍
04/15/2015 +0 days 🔍
11/30/2024 +3517 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-039
Status: Confirmed

CVE: CVE-2015-1646 (🔍)
GCVE (CVE): GCVE-0-2015-1646
GCVE (VulDB): GCVE-100-74841

OVAL: 🔍

SecurityFocus: 74009
SecurityTracker: 1032114 - Microsoft XML Core Services Bug Lets Remote Users Bypass Same-Origin Policy
Vulnerability Center: 49620 - [MS15-039] Microsoft XML Core Services 3.0 Remote Security Bypass via a Crafted DTD, Medium

Entryinfo

Created: 04/15/2015 10:34
Updated: 11/30/2024 12:09
Changes: 04/15/2015 10:34 (44), 07/09/2015 14:54 (20), 05/06/2022 09:03 (8), 05/06/2022 09:04 (1), 11/30/2024 12:09 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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