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 identified as critical has been detected in Parallels Desktop 15.1.4. This affects an unknown function. This manipulation causes array index. This vulnerability is tracked as CVE-2020-17399. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in Parallels Desktop 15.1.4 and classified as critical. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a array index vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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 write past the end of an allocated buffer. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the kernel. Was ZDI-CAN-11303.

The weakness was disclosed 08/25/2020 (Website). It is possible to read the advisory at kb.parallels.com. This vulnerability is known as CVE-2020-17399 since 08/07/2020. Attacking locally is a requirement. A single authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available.

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

The entries VDB-160258, VDB-160259, VDB-160260 and VDB-160261 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality 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

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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-2020-17399 (🔍)
GCVE (CVE): GCVE-0-2020-17399
GCVE (VulDB): GCVE-100-160267
See also: 🔍

Entryinfo

Created: 08/26/2020 07:49
Updated: 11/11/2020 12:13
Changes: 08/26/2020 07:49 (37), 08/26/2020 07:54 (11), 11/11/2020 12:13 (1)
Complete: 🔍
Cache ID: 216::103

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