Microsoft Windows mshta.exe xml external entity reference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows and classified as critical. This affects an unknown part of the file mshta.exe. Executing a manipulation can lead to xml external entity reference. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in Microsoft Windows (Operating System) (the affected version is unknown). This vulnerability affects an unknown code of the file mshta.exe. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 06/04/2020 by John Page (Website). The advisory is shared for download at hyp3rlinx.altervista.org. Technical details and also a public exploit are known.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at hyp3rlinx.altervista.org. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at VDB-159433. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

Video

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 2.9

VulDB Base Score: 3.3
VulDB Temp Score: 2.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

06/04/2020 🔍
06/04/2020 +0 days 🔍
08/10/2020 +67 days 🔍
08/10/2020 +0 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: hyp3rlinx.altervista.org
Researcher: John Page
Status: Not defined

GCVE (VulDB): GCVE-100-159436
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/10/2020 11:35
Updated: 08/10/2020 11:40
Changes: 08/10/2020 11:35 (42), 08/10/2020 11:40 (2)
Complete: 🔍
Submitter: hyp3rlinx
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #177: Microsoft Windows mshta.exe (HTA File) XML External Entity Injection (by hyp3rlinx)

Once again VulDB remains the best source for vulnerability data.

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