SB20240819134 - Multiple vulnerabilities in AVG AntiVirus Free

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Main Vulnerability Database SB20240819134

SB20240819134 - Multiple vulnerabilities in AVG AntiVirus Free

Published: August 19, 2024

Security Bulletin ID SB20240819134
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) UNIX symbolic link following (CVE-ID: CVE-2024-7236)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

CVSSv4: 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


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.


2) UNIX symbolic link following (CVE-ID: CVE-2024-7235)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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. A local user can abuse the service to create a folder and cause a denial of service condition on the target system.


3) UNIX symbolic link following (CVE-ID: CVE-2024-7237)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue within the AVG Service in AVGSvc function. A local user can create a specially crafted symbolic link to abuse the service to delete a folder and gain elevated privileges on the target system.


4) UNIX symbolic link following (CVE-ID: CVE-2024-7234)

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue within the AVG Service in AVGSvc function. A local user can create a specially crafted symbolic link to abuse the service to delete a file and gain elevated privileges on the target system.


Remediation

Install update from vendor's website.

References