CVE-2017-7269: Microsoft Windows Server Buffer Overflow Vulnerability

CVE-2017-7269 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2021-11-03

A stack-based buffer overflow vulnerability exists in the ScStoragePathFromUrl function within the WebDAV service of Microsoft IIS 6.0. Remote attackers can exploit this by sending a specially crafted PROPFIND request containing a long 'If' header, leading to arbitrary code execution.

Technologies: Microsoft Internet Information Services (Iis). Vendors: Microsoft.

Quick answers

Is CVE-2017-7269 exploited in the wild?
Yes. CVE-2017-7269 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2017-7269?
Critical severity, with a CVSS score of 9.8, published 3 November 2021.
Which products and versions are affected?
Microsoft Internet Information Services (IIS) 6.0 6.0; Microsoft Windows Server 2003 R2 R2.
Is there a fix for CVE-2017-7269?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2017-7269 attacked?
It is attacked over the network, in a hosted service.
Am I affected by CVE-2017-7269?
Check whether you run Microsoft Internet Information Services (Iis). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Internet Information Services (IIS) 6.0 6.0
  • Microsoft Windows Server 2003 R2 R2

Timeline

  • 2016-07: exploited: Exploited in the wild as early as July or August 2016.
  • 2017-03-26: disclosed: Initial public disclosure of the vulnerability.
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.