CVE-2008-5522

AVG Anti-Virus 8.0.0.161, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ…

published December 12, 2008

CVSS
—
EPSS
3%
Percentile
86.8
In the wild
Unconfirmed
What it is

⚠️ A tricky MZ header can slip past AVG Anti-Virus 8.0 when using Internet Explorer 6 or 7! This crafty method lets attackers package malware in seemingly innocent files. 😲 Think of it like a restaurant serving a mysterious dish labeled as 'salad' — the presentation looks harmless, but it contains something dangerous inside. If the chef doesn't check what's on the plate, diners could get a nasty surprise! An attacker can exploit this vulnerability to deliver malware without raising any alarms, like sneaking a harmful dish into a buffet. Users might unknowingly open a seemingly safe document, leading to potential system compromise and data loss. That's absolutely devastating!

Put simply

Think of it like a restaurant serving a mysterious dish labeled as 'salad' — the presentation looks harmless, but it contains something dangerous inside. If the chef doesn't check what's on the plate, diners could get a nasty surprise! AVG Anti-Virus 8.0.0.161 fails to detect malware in HTML documents when an MZ header is present, allowing attackers to disguise malicious content by altering file extensions to .txt or .jpg, effectively bypassing security measures.

What to do

An attacker can exploit this vulnerability to deliver malware without raising any alarms, like sneaking a harmful dish into a buffet. Users might unknowingly open a seemingly safe document, leading to potential system compromise and data loss. That's absolutely devastating! While this vulnerability is not widely exploited, it's wise to ensure users are on a more recent version of AVG or switch to a more secure antivirus solution. Encourage users to avoid outdated browsers like Internet Explorer 6 or 7 and consider implementing file type restrictions for safer browsing practices. 🛡️ You can tackle this! Keeping software up-to-date and promoting safe browsing habits will give you and your users a solid defense against sneaky threats! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02902 · 86.8th percentile
Published
2008-12-12T18:13Z
EPSS history
Timeline
  • 12 DEC 18:13Z
    AVG Anti-Virus 8.0.0.161, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ…
    cvelistv5