VDB-100517 · CVE-2017-8085 · BID 98043

Exponent CMS up to 2.4.1 Patch 4 elFinder elfinder.php 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.
5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Exponent CMS up to 2.4.1 Patch 4. Affected is an unknown function of the file framework/modules/file/connector/elfinder.php of the component elFinder. The manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2017-8085. The attack is possible to be carried out remotely. No exploit exists. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Exponent CMS up to 2.4.1 Patch 4 (Content Management System) and classified as problematic. This issue affects an unknown code of the file framework/modules/file/connector/elfinder.php of the component elFinder. The manipulation 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:

In Exponent CMS before 2.4.1 Patch #5, XSS in elFinder is possible in framework/modules/file/connector/elfinder.php.

The bug was discovered 09/28/2016. The weakness was disclosed 04/24/2017 (Website). The advisory is shared at exponentcms.org. The identification of this vulnerability is CVE-2017-8085 since 04/24/2017. 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 are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 208 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:framework/modules/file/connector/elfinder.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch 2.4.1 Patch 5 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98043†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: github.com
Patch: 2.4.1 Patch 5

Timelineinfo

09/28/2016 🔍
04/24/2017 +208 days 🔍
04/24/2017 +0 days 🔍
04/24/2017 +0 days 🔍
04/24/2017 +0 days 🔍
04/24/2017 +0 days 🔍
12/02/2022 +2048 days 🔍

Sourcesinfo

Advisory: 0b2241ff1c7d86376fa260c5d4c1714f6cef9c0f
Researcher: chengable
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-8085 (🔍)
GCVE (CVE): GCVE-0-2017-8085
GCVE (VulDB): GCVE-100-100517
SecurityFocus: 98043 - Exponent CMS CVE-2017-8085 Cross Site Scripting Vulnerability
OSVDB: - CVE-2017-8085 - Exponent CMS - Cross-Site Scripting Issue

Entryinfo

Created: 04/24/2017 22:19
Updated: 12/02/2022 08:44
Changes: 04/24/2017 22:19 (62), 09/20/2020 14:40 (5), 12/21/2020 13:29 (2), 12/02/2022 08:44 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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