CVE-2008-5540 Security feature bypass in n/a
Remote attackers can bypass malware detection in Secure Web Gateway by manipulating file 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-2008-5540?
CVE-2008-5540 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
Secure Computing Secure Web Gateway (aka Webwasher), 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-2008-5540?
It affects 2 products.
Products include Secure Computing Secure Web Gateway, Secure Computing Webwasher.
How do I fix CVE-2008-5540?
No fix has been published for CVE-2008-5540 yet. Limit exposure of the affected software until one is available.
Is CVE-2008-5540 being exploited?
There is no known exploitation of CVE-2008-5540 in the wild and no public exploit code.
Sources
Also known as GHSA-r635-23w3-8797.