Invision Power Services IPS up to 4.1.19.2 SVG Document Stored access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Invision Power Services IPS up to 4.1.19.2. This affects an unknown part of the component SVG Document Handler. Executing a manipulation can lead to access control (Stored). This vulnerability is tracked as CVE-2017-8899. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Invision Power Services IPS up to 4.1.19.2 and classified as problematic. This vulnerability affects an unknown code block of the component SVG Document Handler. The manipulation with an unknown input leads to a access control vulnerability (Stored). The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect integrity. CVE summarizes:

Invision Power Services (IPS) Community Suite 4.1.19.2 and earlier has a composite of Stored XSS and Information Disclosure issues in the attachments feature found in User CP. This can be triggered by any Invision Power Board user and can be used to gain access to moderator/admin accounts. The primary cause is the ability to upload an SVG document with a crafted attribute such an onload; however, full path disclosure is required for exploitation.

The bug was discovered 05/09/2017. The weakness was disclosed 05/11/2017 (Website). The advisory is shared for download at zeroday.insecurity.zone. This vulnerability was named CVE-2017-8899 since 05/11/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

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

The entries VDB-101090 and VDB-101091 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Stored
Class: Access control / Stored
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/09/2017 🔍
05/11/2017 +2 days 🔍
05/11/2017 +0 days 🔍
05/11/2017 +0 days 🔍
05/12/2017 +1 days 🔍
09/25/2020 +1232 days 🔍

Sourcesinfo

Vendor: invisioncommunity.com

Advisory: zeroday.insecurity.zone
Status: Not defined

CVE: CVE-2017-8899 (🔍)
GCVE (CVE): GCVE-0-2017-8899
GCVE (VulDB): GCVE-100-101092
OSVDB: - CVE-2017-8899 - Invision Power Services - IPS Community Suite - Cross-Site Scripting Issue

See also: 🔍

Entryinfo

Created: 05/12/2017 14:38
Updated: 09/25/2020 14:06
Changes: 05/12/2017 14:38 (58), 09/25/2020 14:06 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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