Trellix Agent prior 5.7.9 on macOS macmnsvc Process heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Trellix Agent on macOS. Affected by this issue is some unknown functionality of the component macmnsvc Process. This manipulation causes heap-based overflow. This vulnerability is handled as CVE-2023-0976. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Trellix Agent on macOS. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component macmnsvc Process. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A heap-based overflow vulnerability in TA prior to version 5.7.9 allows a remote user to alter the page heap in the macmnsvc process memory block, resulting in the service becoming unavailable.

The weakness was released 06/07/2023. The advisory is shared at kcm.trellix.com. This vulnerability is known as CVE-2023-0976 since 02/23/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 5.7.9 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 6.3
CNA Vector (Trellix): 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Agent 5.7.9

Timelineinfo

02/23/2023 🔍
06/07/2023 +103 days 🔍
06/07/2023 +0 days 🔍
07/05/2023 +28 days 🔍

Sourcesinfo

Advisory: kcm.trellix.com
Status: Confirmed

CVE: CVE-2023-0976 (🔍)
GCVE (CVE): GCVE-0-2023-0976
GCVE (VulDB): GCVE-100-231001

Entryinfo

Created: 06/07/2023 10:45
Updated: 07/05/2023 17:13
Changes: 06/07/2023 10:45 (50), 07/05/2023 17:13 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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