CVE-2008-5523

CWE-20 — Improper Input Validation3 documents3 sources
Severity
9.3CRITICAL
EPSS
0.3%
top 45.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Avast Avast Antivirus
Timeline
PublishedDec 12
Latest updateMay 14

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.

CVSS vector

AV:N/AC:M/C:C/I:C/A:CExploitability: 8.6 | Impact: 10.0

Affected Packages1 packages

▶NVDavast/avast_antivirus4.8.1281.0

🔴Vulnerability Details

2
GHSA
GHSA-7fgh-8wj3-28pj: avast! antivirus 4↗2022-05-14
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CVEList
CVE-2008-5523: avast! antivirus 4↗2008-12-12
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CVE-2008-5523 (CRITICAL CVSS 9.3) | avast! antivirus 4.8.1281.0 | cvebase.io