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avast! vulnerabilities and exploits
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2.1
CVSSv2
CVE-2020-25289
The VPN service in AVAST SecureLine prior to 5.6.4982.470 allows local users to write to arbitrary files via an Object Manager symbolic link from the log directory (which has weak permissions).
Avast Secureline Vpn
9.3
CVSSv2
CVE-2019-18894
In Avast Premium Security 19.8.2393, attackers can send a specially crafted request to the local web server run by Avast Antivirus on port 27275 to support Bank Mode functionality. A flaw in the processing of a command allows execution of arbitrary OS commands with the privileges...
Avast Premium Security 19.8.2393
NA
CVE-2023-5760
A time-of-check to time-of-use (TOCTOU) bug in handling of IOCTL (input/output control) requests. This TOCTOU bug leads to an out-of-bounds write vulnerability which can be further exploited, allowing an malicious user to gain full local privilege escalation on the system.This is...
Avast Avg Antivirus 23.8
4.9
CVSSv2
CVE-2006-1892
avast! 4 Linux Home Edition 1.0.5 allows local users to modify permissions of arbitrary files via a symlink attack on the /tmp/_avast4_ temporary directory.
Alwil Avast Antivirus 1.0.5
3.6
CVSSv2
CVE-2021-27241
This vulnerability allows local malicious users to delete arbitrary directories on affected installations of Avast Premium Security 20.8.2429 (Build 20.8.5653.561). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit t...
Avast Premium Security 20.8.2429
7.2
CVSSv2
CVE-2019-17190
A Local Privilege Escalation issue exists in Avast Secure Browser 76.0.1659.101. The vulnerability is due to an insecure ACL set by the AvastBrowserUpdate.exe (which is running as NT AUTHORITY\SYSTEM) when AvastSecureBrowser.exe checks for new updates. When the update check is tr...
Avast Secure Browser 76.0.1659.101
NA
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
Avast Antivirus
Avg Anti-virus
NA
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
Avast Antivirus
Avg Anti-virus
4.4
CVSSv2
CVE-2019-17093
An issue exists in Avast antivirus prior to 19.8 and AVG antivirus prior to 19.8. A DLL Preloading vulnerability allows an malicious user to implant %WINDIR%\system32\wbemcomn.dll, which is loaded into a protected-light process (PPL) and might bypass some of the self-defense mech...
Avg Anti-virus
Avast Antivirus
NA
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 Februar...
Avast Antivirus
Avg Anti-virus
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-4671
unauthorized
CVE-2024-4776
CVE-2024-3407
CVE-2024-26026
CVE-2024-32888
wireless
CVE-2024-4656
template injection
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