Home/CVE/Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 6.0 allows remote authen
CVE

CVE-2009-3023

Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 6.0 allows remote authen

Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 6.0 allows remote authenticated users to execute arbitrary code via a crafted NLST (NAME LIST) command that uses wildcards, leading to memory corruption, aka "IIS FTP Service RCE and DoS Vulnerability.".

HIGH · CVSS 9 EPSS 0.77728
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

1
microsoft internet information server>= 5.0 and <= 6.0
⚠

Public Exploits & PoCs

6
remoteMicrosoft IIS FTP Server - NLST Response Overflow (MS09-053) (Metasploit)verified
remoteMicrosoft IIS 5.0 FTP Server (Windows 2000 SP4) - Remote Stack Overflowverified
remoteMicrosoft IIS 5.0/6.0 FTP Server (Windows 2000) - Remote Stack Overflowverified
pocwww.exploit-db.com · 9541www.exploit-db.com
pocwww.exploit-db.com · 9559www.exploit-db.com
pocwww.securityfocus.com · 36189www.securityfocus.com
◈

Detection Rules (IDS/IPS)

3
snort-communityPROTOCOL-FTP MKD overflow attemptattempted-admin
snort-communityPROTOCOL-FTP NLST overflow attemptattempted-admin
snort-communityPROTOCOL-FTP Multiple Products FTP MKD buffer overflow attemptattempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9
HIGH · CVSS v2 (legacy) · cve@mitre.org
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:L/Au:S/C:C/I:C/A:C
Published to NVD31 Aug 2009 · 08:30 PM
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://support.microsoft.com/default.aspx?scid=kb
http://www.kb.cert.org/vuls/id/276653Third Party AdvisoryUS Government Resource
http://www.us-cert.gov/cas/techalerts/TA09-286A.htmlThird Party AdvisoryUS Government Resource
http://www.vupen.com/english/advisories/2009/2481Third Party Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053PatchVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6080Third Party Advisory
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