CVE-2018-1000117

Severity Score

6.7

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Python Software Foundation CPython version From 3.2 until 3.6.4 on Windows contains a Buffer Overflow vulnerability in os.symlink() function on Windows that can result in Arbitrary code execution, likely escalation of privilege. This attack appears to be exploitable via a python script that creates a symlink with an attacker controlled name or location. This vulnerability appears to have been fixed in 3.7.0 and 3.6.5.

Python Software Foundation CPython, desde la versión 3.2 hasta la 3.6.4 en Windows, contiene una vulnerabilidad de desbordamiento de búfer en la función os.symlink() de Windows que puede resultar en la ejecución de código arbitrario y en un escalado de privilegios. El ataque parece ser explotable mediante un script de python que crea un symlink con un nombre o ubicación controlado por un atacante. La vulnerabilidad parece haber sido solucionada en las versiones 3.7.0 y 3.6.5.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-03-07 CVE Reserved
2018-03-07 CVE Published
2018-06-05 First Exploit
2024-09-17 CVE Updated
2024-09-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

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

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://github.com/u0pattern/CVE-2018-1000117-Exploit	2018-06-05

URL	Date	SRC
https://bugs.python.org/issue33001	2022-07-05
https://github.com/python/cpython/pull/5989	2022-07-05

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Python Search vendor "Python"	Python Search vendor "Python" for product "Python"	>= 3.2.0 < 3.4.9 Search vendor "Python" for product "Python" and version " >= 3.2.0 < 3.4.9"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Python Search vendor "Python"	Python Search vendor "Python" for product "Python"	>= 3.5.0 < 3.5.6 Search vendor "Python" for product "Python" and version " >= 3.5.0 < 3.5.6"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Python Search vendor "Python"	Python Search vendor "Python" for product "Python"	>= 3.6.0 < 3.6.5 Search vendor "Python" for product "Python" and version " >= 3.6.0 < 3.6.5"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Python Search vendor "Python"	Python Search vendor "Python" for product "Python"	3.7.0 Search vendor "Python" for product "Python" and version "3.7.0"	beta1	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Python Search vendor "Python"	Python Search vendor "Python" for product "Python"	3.7.0 Search vendor "Python" for product "Python" and version "3.7.0"	beta2	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Python Search vendor "Python"	Python Search vendor "Python" for product "Python"	3.7.0 Search vendor "Python" for product "Python" and version "3.7.0"	beta3	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Python Search vendor "Python"	Python Search vendor "Python" for product "Python"	3.7.0 Search vendor "Python" for product "Python" and version "3.7.0"	beta4	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe
Python Search vendor "Python"	Python Search vendor "Python" for product "Python"	3.7.0 Search vendor "Python" for product "Python" and version "3.7.0"	beta5	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	*	-	Safe