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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2024-5102 |
A sym-linked file accessed via the repair function in Avast Antivirus <24.2 on Windows may allow user to elevate privilege to delete arbitrary files or run processes as NT AUTHORITY\SYSTEM. The vulnerability exists within the "Repair" (settings -> troubleshooting -> repair) feature, which attempts to delete a file in the current user's AppData directory as NT AUTHORITY\SYSTEM. A low-privileged user can make a pseudo-symlink and a junction folder and point to a file on the system. This can provide a low-privileged user an Elevation of Privilege to win a race-condition which will re-create the system files and make Windows callback to a specially-crafted file which could be used to launch a privileged shell instance. This issue affects Avast Antivirus prior to 24.2. Published: June 10, 2024; 1:16:34 PM -0400 |
V4.0:(not available) V3.1: 7.0 HIGH V2.0:(not available) |
CVE-2023-1587 |
Avast and AVG Antivirus for Windows were susceptible to a NULL pointer dereference issue via RPC-interface. The issue was fixed with Avast and AVG Antivirus version 22.11 Published: April 19, 2023; 3:15:07 PM -0400 |
V4.0:(not available) V3.1: 5.5 MEDIUM V2.0:(not available) |
CVE-2023-1586 |
Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the restore process leading to arbitrary file creation. The issue was fixed with Avast and AVG Antivirus version 22.11 Published: April 19, 2023; 3:15:06 PM -0400 |
V4.0:(not available) V3.1: 4.7 MEDIUM V2.0:(not available) |
CVE-2023-1585 |
Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the Quarantine process, leading to arbitrary file/directory deletion. The issue was fixed with Avast and AVG Antivirus version 22.11 and virus definitions from 14 February 2023 or later. Published: April 19, 2023; 3:15:06 PM -0400 |
V4.0:(not available) V3.1: 6.3 MEDIUM V2.0:(not available) |