#VU96094 UNIX symbolic link following in AntiVirus Free - CVE-2024-7236

Vulnerability identifier: #VU96094

Vulnerability risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-7236

CWE-ID: CWE-61

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
AntiVirus Free
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: AVG

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a symlink following issue within the AVG Installer in icarus function. A local user can abuse the update functionality to create a file and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

AntiVirus Free: before 24.0

---

External links
https://www.zerodayinitiative.com/advisories/ZDI-24-1009/

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.