Parallels Desktop 15.1.4 array index

CVSS Meta Temp Score
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Parallels Desktop 15.1.4. This impacts an unknown function. Such manipulation leads to array index. This vulnerability is listed as CVE-2020-17400. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Parallels Desktop 15.1.4 and classified as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a array index vulnerability. Using CWE to declare the problem leads to CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. Impacted is confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.4. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the prl_hypervisor kext. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor. Was ZDI-CAN-11304.

The weakness was presented 08/25/2020 (Website). The advisory is shared for download at kb.parallels.com. This vulnerability is handled as CVE-2020-17400 since 08/07/2020. The attack needs to be approached locally. A simple authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-160258, VDB-160259, VDB-160260 and VDB-160261 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Array index
CWE: CWE-129 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2020 🔍
08/25/2020 +18 days 🔍
08/26/2020 +1 days 🔍
11/11/2020 +77 days 🔍

Sourcesinfo

Advisory: kb.parallels.com
Status: Not defined

CVE: CVE-2020-17400 (🔍)
GCVE (CVE): GCVE-0-2020-17400
GCVE (VulDB): GCVE-100-160268
See also: 🔍

Entryinfo

Created: 08/26/2020 07:49
Updated: 11/11/2020 12:19
Changes: 08/26/2020 07:49 (36), 08/26/2020 07:54 (11), 11/11/2020 12:19 (1)
Complete: 🔍
Cache ID: 216::103

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