Microsoft Visual Studio 2008 Express 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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5.5$0-$5k0.00

A vulnerability has been found in Microsoft Visual Studio 2008 Express (Programming Tool Software) and classified as critical. Affected by this vulnerability is some unknown processing. 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 presented 12/01/2019 by John Page (hyp3rlinx) (Website). It is possible to read the advisory at hyp3rlinx.altervista.org. The public release was coordinated in cooperation with Microsoft. 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. Technical details are unknown but a public exploit is available.

A public exploit has been developed by John Page (hyp3rlinx) and been published immediately after the advisory. It is possible to download the exploit at hyp3rlinx.altervista.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 982 days. During that time the estimated underground price was around $5k-$25k.

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

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

Video

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CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: John Page (hyp3rlinx)
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

03/24/2017 🔍
12/01/2019 +982 days 🔍
12/01/2019 +0 days 🔍
12/10/2019 +9 days 🔍
12/10/2019 +0 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: hyp3rlinx.altervista.org
Researcher: John Page (hyp3rlinx)
Status: Not defined
Coordinated: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/10/2019 07:03
Updated: 12/10/2019 07:08
Changes: 12/10/2019 07:03 (46), 12/10/2019 07:08 (2)
Complete: 🔍
Submitter: hyp3rlinx

Submitinfo

Accepted

  • Submit #129: Microsoft Visual Studio 2008 Express IDE XML External Entity Injection 0Day (by hyp3rlinx)

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