Parallels Desktop up to 19.2.x Environment Variable BASH_ENV privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Parallels Desktop up to 19.2.x. It has been rated as critical. Impacted is an unknown function of the component Environment Variable Handler. This manipulation of the argument BASH_ENV causes privileges management. This vulnerability is registered as CVE-2024-6240. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Parallels Desktop up to 19.2.x. It has been declared as critical. Affected by this vulnerability is an unknown function of the component Environment Variable Handler. The manipulation of the argument BASH_ENV with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Improper privilege management vulnerability in Parallels Desktop Software, which affects versions earlier than 19.3.0. An attacker could add malicious code in a script and populate the BASH_ENV environment variable with the path to the malicious script, executing on application startup. An attacker could exploit this vulnerability to escalate privileges on the system.

The weakness was published by Carlos Polop Martín. It is possible to read the advisory at incibe.es. This vulnerability is known as CVE-2024-6240 since 06/21/2024. The exploitation appears to be difficult. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 19.3.0 eliminates this vulnerability.

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

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.5

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔍

CNA Base Score: 7.7
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: Desktop 19.3.0

Timelineinfo

06/21/2024 🔍
06/21/2024 +0 days 🔍
06/21/2024 +0 days 🔍
06/25/2024 +4 days 🔍

Sourcesinfo

Vendor: parallels.com

Advisory: incibe.es
Researcher: Carlos Polop Martín
Status: Confirmed

CVE: CVE-2024-6240 (🔍)
GCVE (CVE): GCVE-0-2024-6240
GCVE (VulDB): GCVE-100-269395

Entryinfo

Created: 06/21/2024 18:22
Updated: 06/25/2024 07:33
Changes: 06/21/2024 18:22 (65), 06/25/2024 07:33 (12)
Complete: 🔍
Cache ID: 216::103

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