CVE-2017-7269

9.8CRITICAL

Key Information:

Vendor
Microsoft
Status
Internet Information Server
Vendor
CVE Published:
27 March 2017

Badges

πŸ‘Ύ Exploit Exists🟑 Public PoC🟣 EPSS 97%πŸ¦… CISA Reported

Summary

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 "If: <http://" in a PROPFIND request, as exploited in the wild in July or August 2016.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

cve-2017-7269
Created by zcgonvh

CVE-2017-7269-Echo-PoC
Created by lcatro

cve-2017-7269-tool
Created by zcgonvh

References

https://www.exploit-db.com/exploits/41992/
exploitx_refsource_EXPLOIT-DB
http://www.securityfocus.com/bid/97127
vdb-entryx_refsource_BID
https://medium.com/%40iraklis/number-of-internet-facing-v...
x_refsource_MISC

EPSS Score

97% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟑

    Public PoC available

  • πŸ‘Ύ

    Exploit known to exist

  • πŸ¦…

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre DatabaseCISA Database17 Proof of Concept(s)
.