Buffer overflow in Microsoft products - CVE-2017-7269
Published: March 28, 2017 / Updated: January 17, 2025
Vulnerability identifier: #VU6183
CSH Severity: Critical
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-7269
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in ScStoragePathFromUrl() function in the WebDAV service when processing overly long HTTP header beginning with "If: <http://" in a PROPFIND request. A remote unauthenticated attacker can trigger buffer overflow and execute arbitrary code on the target system with privileges of the IIS service.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Note: this vulnerability is being actively exploited in the wild in July and August 2016.
Affected software
Microsoft Windows
Windows Server
Microsoft Internet Information Services (IIS)
Windows Server
Microsoft Internet Information Services (IIS)
How to mitigate CVE-2017-7269
Install update from Microsoft website:
Links to Public Exploits and PoC-codes
- Exploit #11069 - CVE-2017-7269 (is a PoC tool demonstrating an exploit for a known vulnerability in the WebDAV component of IIS6) (January 17, 2025)
- Exploit #2289 - Exploits (Containing Self Made Perl Reproducers / PoC Codes) (April 7, 2020)
- Exploit #2001 - Alien-Framework (Alien-Framework, it is a framework with many CVE exploits and tools to use in pen-testing.) (March 18, 2020)
- Exploit #1905 - webdav_exploit (An exploit for Microsoft IIS 6.0 CVE-2017-7269) (March 18, 2020)
- Exploit #1906 - CVE-2017-7269-exploit (exec 8 bytes command) (March 18, 2020)
- Exploit #1907 - iis6-exploit-2017-CVE-2017-7269 (iis6 exploit 2017 CVE-2017-7269) (March 18, 2020)
- Exploit #1908 - IIS_6.0_WebDAV_Ruby (Ruby Exploit for IIS 6.0 Buffer Overflow (CVE-2017-7269)) (March 18, 2020)
- Exploit #1149 - Microsoft IIS - WebDav 'ScStoragePathFromUrl' Overflow (Metasploit) (March 18, 2020)
- Exploit #1150 - Internet Information Services (IIS) 6.0 WebDAV - 'ScStoragePathFromUrl' Buffer Overflow (March 18, 2020)
- Exploit #1618 - Microsoft IIS WebDav ScStoragePathFromUrl Overflow (March 18, 2020)