VDB-96939 · CVE-2017-5157 · BID 95665

Schneider Electric homeLYnk up to 1.4.x 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.
4.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Schneider Electric homeLYnk up to 1.4.x and classified as problematic. The impacted element is an unknown function. Performing a manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2017-5157. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Schneider Electric homeLYnk up to 1.4.x. This affects an unknown part. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

An issue was discovered in Schneider Electric homeLYnk Controller, LSS100100, all versions prior to V1.5.0. The homeLYnk controller is susceptible to a cross-site scripting attack. User inputs can be manipulated to cause execution of JavaScript code.

The bug was discovered 01/19/2017. The weakness was shared 02/13/2017 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2017-5157 since 01/03/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 25 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.5.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 95665†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: homeLYnk 1.5.0

Timelineinfo

01/03/2017 🔍
01/19/2017 +16 days 🔍
01/19/2017 +0 days 🔍
02/13/2017 +25 days 🔍
02/13/2017 +0 days 🔍
02/14/2017 +1 days 🔍
08/14/2020 +1277 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2017-5157 (🔍)
GCVE (CVE): GCVE-0-2017-5157
GCVE (VulDB): GCVE-100-96939
SecurityFocus: 95665 - Schneider homeLYnk Controller LSS1001003 CVE-2017-5157 Cross Site Scripting Vulnerability
OSVDB: - CVE-2017-5157 - Schneider Electric - homeLYnk Controller, LSS100100 - Cross-Site Scripting Issue

Entryinfo

Created: 02/14/2017 09:19
Updated: 08/14/2020 16:15
Changes: 02/14/2017 09:19 (58), 08/14/2020 16:15 (5)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!