Vulnerability details

CVE-2024-7231

Avast CleanUpAvast CleanUp Premium

Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability

CVSS 3.0
7.8High

Official description

Avast Cleanup Premium Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Cleanup Premium. 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 Cleanup 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-22894.

CVSS scores

ScoreVersionSourceVector
7.8High 3.0 CVEProject cvelistV5 (CNA) (zdi) CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Avast CleanUp 23.4 CISA ADP / Vulnrichment
Avast CleanUp Premium 23.4 (build 15592) CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2024-11-23
Last updated
2024-11-25
State
Published
Assigner (CNA)
zdi

Exploit prediction (EPSS)

0.34%
Probability of exploitation in 30 days
27.9%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

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