Vulnerability · Published Nov 22, 2024 · Assigned by zdi

CVE-2024-7234AVG AntiVirus Free AVGSvc Link Following Local Privilege Escalation Vulnerability

High 7.8

In plain English

A high-severity security flaw in AntiVirus Free from AVG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.0)7.8High

Exploit odds (30 days)0.4%top 71.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

AVG AntiVirus Free AVGSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of AVG AntiVirus Free. 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 AVG 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-22260.

Affected products (as reported)

Vendor	Product	Versions
AVG	AntiVirus Free	23.9.8494.795

Weakness: CWE-59 · Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ZDI-24-1008 x_research-advisory