Parallels Parallels Desktop 15.1.3-47255 untrusted pointer dereference

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

Summaryinfo

A vulnerability, which was classified as critical, was found in Parallels Parallels Desktop 15.1.3-47255. Affected by this issue is some unknown functionality. The manipulation results in untrusted pointer dereference. This vulnerability is known as CVE-2020-17392. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability was found in Parallels Parallels Desktop 15.1.3-47255. It has been classified as critical. Affected is some unknown functionality. The manipulation with an unknown input leads to a untrusted pointer dereference vulnerability. CWE is classifying the issue as CWE-822. The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.3-47255. 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 handler for HOST_IOCTL_SET_KERNEL_SYMBOLS in the prl_hypervisor kext. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the kernel. Was ZDI-CAN-10519.

The weakness was published 08/25/2020 (Website). The advisory is shared for download at kb.parallels.com. This vulnerability is traded as CVE-2020-17392 since 08/07/2020. The attack needs to be approached locally. A authentication is required 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.

Similar entries are available at VDB-160258, VDB-160259, VDB-160261 and VDB-160262. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

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Website

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

Exploitinginfo

Class: Untrusted pointer dereference
CWE: CWE-822
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

Vendor: parallels.com

Advisory: kb.parallels.com
Status: Not defined

CVE: CVE-2020-17392 (🔍)
GCVE (CVE): GCVE-0-2020-17392
GCVE (VulDB): GCVE-100-160260
See also: 🔍

Entryinfo

Created: 08/26/2020 07:45
Updated: 11/11/2020 11:29
Changes: 08/26/2020 07:45 (38), 08/26/2020 07:50 (11), 11/10/2020 08:38 (1), 11/11/2020 11:29 (1)
Complete: 🔍
Cache ID: 216::103

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