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TI-2008-01557 Aliases CVE-2008-1625GHSA-wr6q-9jvw-7c6w

aavmker4.sys in avast! Home and Professional 4.7 for Windows does not properly validate…

Priority LOW 31CWE-264Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.

Summary

aavmker4.sys in avast! Home and Professional 4.7 for Windows does not properly validate input to IOCTL 0xb2d60030, which allows local users to gain privileges via certain IOCTL requests.

Why it matters now

EPSS 0.00708 53rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:avast:avast_antivirus_home:4.7.827:*:windows:*:*:*:*:*4.7.827VulnerableAvast
cpe:2.3:a:avast:avast_antivirus_home:4.7.844:*:windows:*:*:*:*:*4.7.844VulnerableAvast
cpe:2.3:a:avast:avast_antivirus_home:4.7.869:*:windows:*:*:*:*:*4.7.869VulnerableAvast
cpe:2.3:a:avast:avast_antivirus_home:4.7.1043:*:windows:*:*:*:*:*4.7.1043VulnerableAvast
cpe:2.3:a:avast:avast_antivirus_home:4.7.1098:*:windows:*:*:*:*:*4.7.1098VulnerableAvast
cpe:2.3:a:avast:avast_antivirus_professional:4.7.827:*:windows:*:*:*:*:*4.7.827VulnerableAvast
cpe:2.3:a:avast:avast_antivirus_professional:4.7.844:*:windows:*:*:*:*:*4.7.844VulnerableAvast
cpe:2.3:a:avast:avast_antivirus_professional:4.7.1043:*:windows:*:*:*:*:*4.7.1043VulnerableAvast
cpe:2.3:a:avast:avast_antivirus_professional:4.7.1098:*:windows:*:*:*:*:*4.7.1098VulnerableAvast
  • cpe:2.3:a:avast:avast_antivirus_home:4.7.827:*:windows:*:*:*:*:* Versions 4.7.827 Vulnerable ·Avast
  • cpe:2.3:a:avast:avast_antivirus_home:4.7.844:*:windows:*:*:*:*:* Versions 4.7.844 Vulnerable ·Avast
  • cpe:2.3:a:avast:avast_antivirus_home:4.7.869:*:windows:*:*:*:*:* Versions 4.7.869 Vulnerable ·Avast
  • cpe:2.3:a:avast:avast_antivirus_home:4.7.1043:*:windows:*:*:*:*:* Versions 4.7.1043 Vulnerable ·Avast
  • cpe:2.3:a:avast:avast_antivirus_home:4.7.1098:*:windows:*:*:*:*:* Versions 4.7.1098 Vulnerable ·Avast
  • cpe:2.3:a:avast:avast_antivirus_professional:4.7.827:*:windows:*:*:*:*:* Versions 4.7.827 Vulnerable ·Avast
  • cpe:2.3:a:avast:avast_antivirus_professional:4.7.844:*:windows:*:*:*:*:* Versions 4.7.844 Vulnerable ·Avast
  • cpe:2.3:a:avast:avast_antivirus_professional:4.7.1043:*:windows:*:*:*:*:* Versions 4.7.1043 Vulnerable ·Avast
  • cpe:2.3:a:avast:avast_antivirus_professional:4.7.1098:*:windows:*:*:*:*:* Versions 4.7.1098 Vulnerable ·Avast

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2008-1625
  2. 2026-10-03 Alias added: GHSA-wr6q-9jvw-7c6w

References

  • TI-2007-01612 unzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, allows remote… CVSS 2.0HIGH 7.8
  • TI-2009-03840 Heap-based buffer overflow in aswRdr.sys (aka the TDI RDR driver) in avast! Home and… CVSS 2.0HIGH 7.2
  • TI-2010-00673 Aavmker4.sys in avast! 4.8 through 4.8.1368.0 and 5.0 before 5.0.418.0 running on Windows… CVSS 2.0HIGH 7.2
  • TI-2009-03360 Stack-based buffer overflow in aswMon2.sys in avast! Home and Professional for Windows… CVSS 2.0HIGH 7.2
  • TI-2007-05973 Unspecified vulnerability in avast! 4 Home and Professional Editions before 4.7.1098… CVSS 2.0MEDIUM 6.8
  • TI-2009-03362 Unspecified vulnerability in ashWsFtr.dll in avast! Home and Professional for Windows… CVSS 2.0HIGH 7.2
See all 7 →

Sources