VDB-101051 · CVE-2017-8876 · OpenVAS 803094

b3log Symphony 2.6.11 content.blueprintssections.php meta[navigation_group] cross site scripting

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in b3log Symphony 2.6.11. Impacted is an unknown function of the file content/content.blueprintssections.php. The manipulation of the argument meta[navigation_group] leads to cross site scripting. This vulnerability is documented as CVE-2017-8876. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in b3log Symphony 2.6.11. It has been rated as problematic. This issue affects some unknown processing of the file content/content.blueprintssections.php. The manipulation of the argument meta[navigation_group] with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Symphony 2 2.6.11 has XSS in the meta[navigation_group] parameter to content/content.blueprintssections.php.

The bug was discovered 05/10/2017. The weakness was released 05/10/2017 (GitHub Repository). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2017-8876 since 05/09/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

By approaching the search of inurl:content/content.blueprintssections.php it is possible to find vulnerable targets with Google Hacking.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

b3log

Name

Symphony

Version

2.6.11

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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OpenVAS ID: 803094
OpenVAS Name: Symphony CMS <= 2.6.11 Remote Code Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

05/09/2017 🔍
05/10/2017 +1 days 🔍
05/10/2017 +0 days 🔍
05/10/2017 +0 days 🔍
05/10/2017 +0 days 🔍
12/06/2022 +2036 days 🔍

Sourcesinfo

Advisory: cd69a2a516e6503c1a1c7e097ee90d255ec3d6b7
Status: Not defined

CVE: CVE-2017-8876 (🔍)
GCVE (CVE): GCVE-0-2017-8876
GCVE (VulDB): GCVE-100-101051

Entryinfo

Created: 05/10/2017 17:39
Updated: 12/06/2022 09:39
Changes: 05/10/2017 17:39 (60), 02/01/2020 08:19 (1), 12/06/2022 09:39 (5)
Complete: 🔍
Cache ID: 216::103