CVE-2009-4556

Quick Heal AntiVirus Plus <2009 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-4556. PoCs published by Maxim A. Kulakov.

AI-analyzed exploit summary This is a detailed security advisory describing a local privilege escalation vulnerability in Quick Heal Antivirus products due to insecure file permissions. The advisory outlines the attack scenario but does not include executable exploit code.

Description

Quick Heal AntiVirus Plus 2009 10.00 SP1 and Quick Heal Total Security 2009 10.00 SP1 use weak permissions (Everyone: Full Control) for the product files, which allows local users to gain privileges by replacing executables with Trojan horse programs, as demonstrated by replacing quhlpsvc.exe.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Maxim A. Kulakov · textlocalwindows
https://www.exploit-db.com/exploits/10084

This is a detailed security advisory describing a local privilege escalation vulnerability in Quick Heal Antivirus products due to insecure file permissions. The advisory outlines the attack scenario but does not include executable exploit code.

Classification
Writeup 100%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: Quick Heal Antivirus Plus 2009 (v.10.00 SP1), Quick Heal Total Security 2009 (v.10.00 SP1)
Auth required
Prerequisites: Local access to the system · Valid logon credentials
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/53746
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/36662
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/507121/100/0/threaded
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/37033

Scores

EPSS 0.0070
EPSS Percentile 48.7%

Details

CWE
CWE-264
Status published
Products (2)
quickheal/antivirus_plus_2009 10.00 sp1
quickheal/total_security_2009 10.00 sp1
Published Jan 04, 2010
Tracked Since Feb 18, 2026