VDB-131452 · CVE-2019-3712 · BID 107376

Dell WES Wyse Device Agent/Wyse ThinLinux Hagent FTP Client memory corruption

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.
7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Dell WES Wyse Device Agent and Wyse ThinLinux Hagent. It has been declared as critical. This affects an unknown part of the component FTP Client. Executing a manipulation can lead to memory corruption. This vulnerability is tracked as CVE-2019-3712. The attack is only possible within the local network. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Dell WES Wyse Device Agent and Wyse ThinLinux Hagent (version now known). It has been declared as critical. This vulnerability affects some unknown processing of the component FTP Client. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Dell WES Wyse Device Agent versions prior to 14.1.2.9 and Dell Wyse ThinLinux HAgent versions prior to 5.4.55 00.10 contain a buffer overflow vulnerability. An unauthenticated attacker may potentially exploit this vulnerability to execute arbitrary code on the system with privileges of the FTP client by sending specially crafted input data to the affected system. The FTP code that contained the vulnerability has been removed.

The bug was discovered 03/12/2019. The weakness was disclosed 03/07/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability was named CVE-2019-3712 since 01/03/2019. Access to the local network is required for this attack to succeed. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371686 (Dell Wyse Device Agent Buffer Overflow Vulnerability).

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.2
CNA Vector (Dell): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2019 🔍
03/07/2019 +63 days 🔍
03/08/2019 +1 days 🔍
03/12/2019 +4 days 🔍
07/29/2023 +1600 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2019-3712 (🔍)
GCVE (CVE): GCVE-0-2019-3712
GCVE (VulDB): GCVE-100-131452
SecurityFocus: 107376

Entryinfo

Created: 03/08/2019 09:46
Updated: 07/29/2023 14:07
Changes: 03/08/2019 09:46 (55), 05/14/2020 16:29 (2), 07/29/2023 14:05 (4), 07/29/2023 14:07 (12)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source 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!