Description
Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. 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 Avast Service. By creating a symbolic link, an attacker can abuse the service to delete a folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22963.
Published: 2024-11-22
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2024-48837 Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. 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 Avast Service. By creating a symbolic link, an attacker can abuse the service to delete a folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22963.
History

Wed, 11 Dec 2024 15:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:avast:free_antivirus:23.12.6094:build_23.12.8700.813:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Tue, 26 Nov 2024 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Avast
Avast free Antivirus
CPEs cpe:2.3:a:avast:free_antivirus:23.12.6094:*:*:*:*:*:*:*
Vendors & Products Avast
Avast free Antivirus
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 22 Nov 2024 21:30:00 +0000

Type Values Removed Values Added
Description Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. 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 Avast Service. By creating a symbolic link, an attacker can abuse the service to delete a folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22963.
Title Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability
Weaknesses CWE-59
References
Metrics cvssV3_0

{'score': 7.8, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Avast Free Antivirus
cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2024-11-25T16:56:38.432Z

Reserved: 2024-07-29T20:24:25.856Z

Link: CVE-2024-7232

cve-icon Vulnrichment

Updated: 2024-11-25T16:56:34.728Z

cve-icon NVD

Status : Analyzed

Published: 2024-11-22T22:15:15.920

Modified: 2024-12-11T14:44:38.737

Link: CVE-2024-7232

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses