CVSS 9.3 CRITICAL Bulletin: MS07-017 Published: 2007-03-30

CVE-2007-0038: Microsoft Windows GDI Animated Cursor (.ani) Stack Buffer Overflow

Technical intelligence and weaponization dossier for CVE-2007-0038. Documented exploitation across 1 active malware families totaling 1 analyzed telemetry samples.

Attributed Families
1
Sample Volume
1
CVSS Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Official NIST NVD
View NVD Record →

Vulnerability Specifications & Root Cause

Vulnerability ID CVE-2007-0038
Common Name / Bulletin Microsoft Windows GDI Animated Cursor (.ani) Stack Buffer Overflow (MS07-017)
CWE Classification CWE-119: Stack-based Buffer Overflow in User32.dll
Affected Software & Versions Microsoft Windows 2000, XP, Vista, Server 2003
Technical Root Cause Stack buffer overflow in User32.dll during RIFF chunk header length calculation for animated cursor (.ani) and icon files. Exploited by merely viewing a web page or previewing an email with an .ani file.
Associated ATT&CK Techniques
  • T1189 — Associated ATT&CK Technique
  • T1204.002 — Associated ATT&CK Technique

Malware Families Weaponizing CVE-2007-0038

Empirical catalog telemetry verifies that the following 1 malware families weaponize this vulnerability for initial access, privilege escalation, or lateral movement:

1 families
Malware Family Category Catalog Samples Operational Profile
stormBotnet1Worm:Win32/Storm (universally documented in cybersecurity literature as the Storm Worm, Peed, and Nuwar) was a revolutionary peer-to-peer (P2P) botnet that infe...

Attributed Threat Actors & Syndicates

Threat intelligence confirms the following adversaries weaponize CVE-2007-0038 in enterprise intrusions and campaign toolkits:

SOC Detection & Threat Hunting Guidance

Threat hunting leads and behavioral telemetry patterns to identify weaponized exploitation of CVE-2007-0038 in enterprise networks:

Detection of HTTP GET requests or email MIME attachments downloading RIFF chunk headers with invalid chunk size fields (> 0x7FFFFFFF).

Remediation & Defensive Hardening

SOC containment checklist and attack surface reduction measures to neutralize exploitation:

Actionable Guidance: Install MS07-017 / MS07-026 updates; enforce application whitelisting and block untrusted cursor downloads at secure web gateways.

For end-to-end incident response procedures, consult our dedicated playbook: Botnet Protection & Remediation →

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