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Vulnerability Details :

CVE-2024-7227

Summary
Assigner-zdi
Assigner Org ID-99f1926a-a320-47d8-bbb5-42feb611262e
Published At-22 Nov, 2024 | 21:11
Updated At-25 Nov, 2024 | 16:55
Rejected At-
Credits

Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability

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 file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22272.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:zdi
Assigner Org ID:99f1926a-a320-47d8-bbb5-42feb611262e
Published At:22 Nov, 2024 | 21:11
Updated At:25 Nov, 2024 | 16:55
Rejected At:
▼CVE Numbering Authority (CNA)
Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability

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 file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22272.

Affected Products
Vendor
Avast
Product
Free Antivirus
Default Status
unknown
Versions
Affected
  • 23.9.6082
Problem Types
TypeCWE IDDescription
CWECWE-59CWE-59: Improper Link Resolution Before File Access ('Link Following')
Type: CWE
CWE ID: CWE-59
Description: CWE-59: Improper Link Resolution Before File Access ('Link Following')
Metrics
VersionBase scoreBase severityVector
3.07.8HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 3.0
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.zerodayinitiative.com/advisories/ZDI-24-1003/
x_research-advisory
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-24-1003/
Resource:
x_research-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Vendor
avast
Product
free_antivirus
CPEs
  • cpe:2.3:a:avast:free_antivirus:23.9.6082:*:*:*:*:*:*:*
Default Status
unknown
Versions
Affected
  • 23.9.6082
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:zdi-disclosures@trendmicro.com
Published At:22 Nov, 2024 | 22:15
Updated At:09 Dec, 2024 | 20:09

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 file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22272.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Secondary3.07.8HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.0
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CPE Matches

avast
avast
>>free_antivirus>>23.9.6082
cpe:2.3:a:avast:free_antivirus:23.9.6082:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-59Secondaryzdi-disclosures@trendmicro.com
CWE ID: CWE-59
Type: Secondary
Source: zdi-disclosures@trendmicro.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://www.zerodayinitiative.com/advisories/ZDI-24-1003/zdi-disclosures@trendmicro.com
Third Party Advisory
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-24-1003/
Source: zdi-disclosures@trendmicro.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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