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Data Loss Prevention Endpoint CVE-2019-3633

MEDIUM
Buffer Overflow (CWE-119)
2019-08-21 trellixpsirt@trellix.com
5.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, buffer size validation
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

A local attacker with access to the system could corrupt memory to execute arbitrary code or crash the application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

Buffer overflow in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.2.8 allows local user to cause the Windows operating system to "blue screen" via a carefully constructed message. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Buffer overflow in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.2.8 allows local user to cause the Windows operating system to "blue screen" via a carefully constructed message sent to DLPe which bypasses DLPe internal checks and results in DLPe reading unallocated memory. Affected products include: Mcafee Data Loss Prevention Endpoint. Version information: prior to 11.3.2.8.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionNVD

Buffer overflow in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.2.8 allows local user to cause the Windows operating system to "blue screen" via a carefully constructed message sent to DLPe which bypasses DLPe internal checks and results in DLPe reading unallocated memory.

Threat Intelligence Overview

EPSS Score
0.3%
Top 84% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Affected Products (CPE)NVD

cpe:2.3:a:mcafee:data_loss_prevention_endpoint:*:*:*:*:*:*:*:*
CVE-2015-1305 MEDIUM POC
6.9 Feb 06

McAfee Data Loss Prevention Endpoint (DLPe) before 9.3.400 allows local users to write to arbitrary memory locations, an

CVE-2016-3984 MEDIUM POC
5.1 Apr 08

The McAfee VirusScan Console (mcconsol.exe) in McAfee Active Response (MAR) before 1.1.0.161, Agent (MA) 5.x before 5.0.

CVE-2018-6664 HIGH
8.8 May 25

Application Protections Bypass vulnerability in Microsoft Windows in McAfee Data Loss Prevention (DLP) Endpoint before 1

CVE-2019-3622 HIGH
8.2 Jul 24

Files or Directories Accessible to External Parties in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3

CVE-2016-8012 HIGH
7.8 Mar 14

Access control vulnerability in Intel Security Data Loss Prevention Endpoint (DLPe) 9.4.200 and 9.3.600 allows authentic

CVE-2021-23887 HIGH
7.8 Apr 15

Privilege Escalation vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a

CVE-2018-6689 HIGH
7.8 Oct 03

Authentication Bypass vulnerability in McAfee Data Loss Prevention Endpoint (DLPe) 10.0.x earlier than 10.0.510, and 11.

CVE-2018-6683 HIGH
7.4 Jul 23

Exploiting Incorrectly Configured Access Control Security Levels vulnerability in McAfee Data Loss Prevention (DLP) for

CVE-2021-31844 HIGH
7.3 Sep 17

A buffer overflow vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.200 allows a loc

CVE-2021-31849 HIGH
7.2 Nov 01

SQL injection vulnerability in McAfee Data Loss Prevention (DLP) ePO extension prior to 11.7.100 allows a remote attacke

CVE-2015-2759 MEDIUM
6.8 Mar 27

Multiple cross-site request forgery (CSRF) vulnerabilities in the ePO extension in McAfee Data Loss Prevention Endpoint

CVE-2015-2758 MEDIUM
6.5 Mar 27

The ePO extension in McAfee Data Loss Prevention Endpoint (DLPe) before 9.3 Patch 4 Hotfix 16 (9.3.416.4) allows remote

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