CVE-2008-5522 Security feature bypass in n/a

Critical 9.3 Published Updated

Remote attackers can bypass AVG Anti-Virus malware detection in Internet Explorer by manipulating file headers and extensions, allowing malicious HTML documents to execute.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2008-5522?

CVE-2008-5522 is a critical vulnerability in n/a, published on 12 Dec 2008. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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 header (aka "EXE info") at the beginning, and modifying the filename to have (1) no extension, (2) a .txt extension, or (3) a .jpg extension, as demonstrated by a document containing a CVE-2006-5745 exploit.

Weakness: CWE-20

Which versions are affected by CVE-2008-5522?

It affects 1 product.

Products include Avg Antivirus.

How do I fix CVE-2008-5522?

No fix has been published for CVE-2008-5522 yet. Limit exposure of the affected software until one is available.

Is CVE-2008-5522 being exploited?

There is no known exploitation of CVE-2008-5522 in the wild and no public exploit code.

Sources

Also known as GHSA-gxww-rc9c-h62v.

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