Buffer overflow in Microsoft Internet_information_services

CVE-2017-7269

Buffer overflow in the ScStoragePathFromUrl function in the WebDAV service in Internet Information Services (IIS) 6.0 in Microsoft Windows Server 2003 R2 allows remote attackers to execute arbitrary code via a long header beginning with "I…

Vulnerability class: Buffer Overflow

EPSS: 0.998 (100.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
  • cve@mitre.org (Exploit, x_refsource_MISC)
  • cve@mitre.org (Patch, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (Exploit, x_refsource_MISC)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK, Broken Link)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Broken Link, Vendor Advisory)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Broken Link)

Frequently asked questions

What is CVE-2017-7269?
CVE-2017-7269 is a critical-severity vulnerability in Microsoft Internet_information_services, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2017-03-27.
How severe is CVE-2017-7269?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-7269 known to be exploited?
Yes. CVE-2017-7269 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 134 public proof-of-concept repositories are indexed.