McAfee Data Loss Prevention prior 11.6.200 on Windows Ami Pro File buffer overflow

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.
8.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in McAfee Data Loss Prevention on Windows. This issue affects some unknown processing of the component Ami Pro File Handler. The manipulation results in buffer overflow. This vulnerability was named CVE-2021-31844. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in McAfee Data Loss Prevention on Windows (Data Loss Prevention Software). It has been classified as critical. Affected is an unknown function of the component Ami Pro File Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 09/17/2021 as SB10368. The advisory is shared for download at kc.mcafee.com. This vulnerability is traded as CVE-2021-31844 since 04/27/2021. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/17/2021).

Upgrading to version 11.6.200 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.3

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

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

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Data Loss Prevention 11.6.200

Timelineinfo

04/27/2021 🔍
09/17/2021 +143 days 🔍
09/17/2021 +0 days 🔍
09/22/2021 +5 days 🔍

Sourcesinfo

Vendor: mcafee.com

Advisory: SB10368
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-31844 (🔍)
GCVE (CVE): GCVE-0-2021-31844
GCVE (VulDB): GCVE-100-182868

Entryinfo

Created: 09/17/2021 21:33
Updated: 09/22/2021 14:47
Changes: 09/17/2021 21:33 (51), 09/22/2021 14:47 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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