CVE-2008-5534

ESET NOD32 Antivirus 3662 and possibly 3440, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document…

published December 12, 2008

CVSS
—
EPSS
3%
Percentile
89.0
In the wild
Unconfirmed
What it is

⚠️ A crafty MZ header can unleash malware undetected! With ESET NOD32 Antivirus versions 3662 and possibly 3440, remote attackers can exploit the quirks of Internet Explorer 6 or 7 to evade malware detection. 🔥 Think of this vulnerability like a sneaky delivery that shows up at your door disguised as a harmless package — the real threat is hidden behind a fake label. That malicious HTML document is the chameleon in the room, presenting itself as safe while harboring dangerous payloads. An attacker could slip malicious code past the antivirus software, effectively bypassing its defenses. This could lead to unauthorized access, data theft, or even a complete system compromise, leaving users vulnerable to all sorts of cyber mayhem!

Put simply

Think of this vulnerability like a sneaky delivery that shows up at your door disguised as a harmless package — the real threat is hidden behind a fake label. That malicious HTML document is the chameleon in the room, presenting itself as safe while harboring dangerous payloads. This vulnerability allows remote attackers to bypass ESET NOD32 Antivirus detection by manipulating the file header and extension of an HTML document. By adding an MZ header and changing the filename, the malware can disguise itself as a benign file type.

What to do

An attacker could slip malicious code past the antivirus software, effectively bypassing its defenses. This could lead to unauthorized access, data theft, or even a complete system compromise, leaving users vulnerable to all sorts of cyber mayhem! Users should consider updating ESET NOD32 Antivirus to the latest version, ensuring that any unsupported browsers like Internet Explorer 6 or 7 are disabled. Regular scans and monitoring for suspicious files can help mitigate risks as well. You've got this! With a few smart steps, you can keep your defenses strong and your systems safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03468 · 89.0th percentile
Published
2008-12-12T18:13Z
EPSS history
Timeline
  • 12 DEC 18:13Z
    ESET NOD32 Antivirus 3662 and possibly 3440, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document…
    cvelistv5