Vulnerability Details : CVE-2023-42125
Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. 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 implementation of the sandbox feature. By creating a symbolic link, an attacker can abuse the service to create arbitrary namespace objects. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
. Was ZDI-CAN-20383.
Vulnerability category: Execute codeGain privilege
Products affected by CVE-2023-42125
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Exploit prediction scoring system (EPSS) score for CVE-2023-42125
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-42125
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Zero Day Initiative | 2024-05-03 |
CWE ids for CVE-2023-42125
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The product uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.Assigned by: zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2023-42125
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https://www.zerodayinitiative.com/advisories/ZDI-23-1475/
ZDI-23-1475 | Zero Day Initiative
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