CVE-2024-7232

Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability

State
Published
Severity
7.8 High
Published
Nov 22, 2024
Updated
Nov 25, 2024
Reserved
Jul 29, 2024

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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.

Scores

CVSSScoreVectorSource
3.07.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hzdi

Weaknesses

  • CWE-59 Improper Link Resolution Before File Access ('Link Following')

Affected Products

ProductVersions
Free AntivirusAvast
  • 23.12.6094 (build 23.12.8700.813)Affected

References

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