CVE-2008-5523

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.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 0.31%
Third-Party Advisory securityreason.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/47435 vdb entry
http://securityreason.com/securityalert/4723 third party advisory
http://www.securityfocus.com/archive/1/499043/100/0/threaded mailing list
http://www.securityfocus.com/archive/1/498995/100/0/threaded mailing list

Frequently Asked Questions

What is the severity of CVE-2008-5523?
CVE-2008-5523 has been scored as a critical severity vulnerability.
How to fix CVE-2008-5523?
To fix CVE-2008-5523, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2008-5523 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2008-5523 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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