VDB-154948 · CVE-2020-7267 · GCVE-0-2020-7267

McAfee VirusScan Enterprise up to 2.0.3 on Linux Symbolic Link insufficient privileges

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in McAfee VirusScan Enterprise up to 2.0.3 on Linux. This affects an unknown part of the component Symbolic Link Handler. Executing a manipulation can lead to insufficient privileges. This vulnerability appears as CVE-2020-7267. The attack requires local access. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in McAfee VirusScan Enterprise up to 2.0.3 on Linux (Anti-Malware Software) and classified as problematic. This vulnerability affects an unknown part of the component Symbolic Link Handler. The manipulation with an unknown input leads to a insufficient privileges vulnerability. The CWE definition for the vulnerability is CWE-274. The product does not handle or incorrectly handles when it has insufficient privileges to perform an operation, leading to resultant weaknesses. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Privilege Escalation vulnerability in McAfee VirusScan Enterprise (VSE) for Linux prior to 2.0.3 Hotfix 2635000 allows local users to delete files the user would otherwise not have access to via manipulating symbolic links to redirect a McAfee delete action to an unintended file. This is achieved through running a malicious script or program on the target machine.

The weakness was presented 05/08/2020 (Website). The advisory is shared for download at kc.mcafee.com. This vulnerability was named CVE-2020-7267 since 01/21/2020. The attack needs to be approached locally. A single authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Applying the patch 2.0.3 Hotfix 2635000 is able to eliminate this problem.

See VDB-154945, VDB-154946 and VDB-154947 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Anti-Malware Software

Vendor

McAfee

Name

VirusScan Enterprise

Version

License

commercial

Website

Vendor: https://www.mcafee.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Insufficient privileges
CWE: CWE-274 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 2.0.3 Hotfix 2635000

Timelineinfo

01/21/2020 🔍
05/08/2020 +108 days 🔍
05/09/2020 +1 days 🔍
10/16/2020 +160 days 🔍

Sourcesinfo

Vendor: mcafee.com

Advisory: kc.mcafee.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-7267 (🔍)
GCVE (CVE): GCVE-0-2020-7267
GCVE (VulDB): GCVE-100-154948
See also: 🔍

Entryinfo

Created: 05/09/2020 14:43
Updated: 10/16/2020 10:35
Changes: 05/09/2020 14:43 (41), 05/09/2020 14:48 (12), 10/16/2020 10:32 (1), 10/16/2020 10:35 (1)
Complete: 🔍
Cache ID: 216::103