CVE-2008-5523 Security feature bypass in n/a
Remote attackers can bypass malware detection in avast! antivirus by disguising malicious HTML files with specific headers and extensions when using Internet Explorer.
- 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-2008-5523?
CVE-2008-5523 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
avast! antivirus 4.8.1281.0, 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-2008-5523?
It affects 1 product.
Products include Avast Avast Antivirus.
How do I fix CVE-2008-5523?
No fix has been published for CVE-2008-5523 yet. Limit exposure of the affected software until one is available.
Is CVE-2008-5523 being exploited?
There is no known exploitation of CVE-2008-5523 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7fgh-8wj3-28pj.