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cve[email protected]CVE-2008-5523
HistoryDec 12, 2008 - 6:30 p.m.

CVE-2008-5523

2008-12-1218:30:02
CWE-20
web.nvd.nist.gov
19
avast
antivirus
malware
detection
html
mz header
internet explorer 6
internet explorer 7
cve-2008-5523

6.2 Medium

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.972 High

EPSS

Percentile

99.8%

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.

Affected configurations

NVD
Node
avastavast_antivirusMatch4.8.1281.0
AND
microsoftinternet_explorerMatch6
OR
microsoftinternet_explorerMatch7

6.2 Medium

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.972 High

EPSS

Percentile

99.8%