Home/CVE/Microsoft DirectX NULL Byte Overwrite Vulnerability
CVE

CVE-2009-1537

Microsoft DirectX NULL Byte Overwrite Vulnerability

Unspecified vulnerability in the QuickTime Movie Parser Filter in quartz.dll in DirectShow in Microsoft DirectX 7.0 through 9.0c on Windows 2000 SP4, Windows XP SP2 and SP3, and Windows Server 2003 SP2 allows remote attackers to execute arbitrary code via a crafted QuickTime media file, as exploited in the wild in May 2009, aka "DirectX NULL Byte Overwrite Vulnerability.".

HIGH · CVSS 9.3 ⚠ CISA KEV EPSS 0.53016
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

▤

Affected Products & Versions

5
microsoft directxall versions
microsoft windows 2000all versions
microsoft windows 2003 serverall versions
microsoft windows server 2003all versions
microsoft windows xpall versions
▣

Scoring & Timeline

9.3
HIGH · CVSS v2 (legacy) · secure@microsoft.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Published to NVD29 May 2009 · 06:30 PM
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisa-aa-advisoriescisa-adds-seven-known-exploited-vulnerabilities-catalog
🔗

References & Sources

13
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://blogs.technet.com/msrc/archive/2009/05/28/microsoft-security-advisory-971778-vulnerability-in-microsoft-directshow-released.aspxVendor Advisory
http://blogs.technet.com/srd/archive/2009/05/28/new-vulnerability-in-quicktime-parsing.aspx
http://isc.sans.org/diary.html?storyid=6481
http://osvdb.org/54797
http://secunia.com/advisories/35268Vendor Advisory
http://www.microsoft.com/technet/security/advisory/971778.mspxPatchVendor Advisory
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