CVE-2017-1000370

Linux Kernel (Debian 7/8/9/10 / Fedora 23/24/25 / CentOS 5.3/5.11/6.0/6.8/7.2.1511) - 'ldso_hwcap Stack Clash' Local Privilege Escalation

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The offset2lib patch as used in the Linux Kernel contains a vulnerability that allows a PIE binary to be execve()'ed with 1GB of arguments or environmental strings then the stack occupies the address 0x80000000 and the PIE binary is mapped above 0x40000000 nullifying the protection of the offset2lib patch. This affects Linux Kernel version 4.11.5 and earlier. This is a different issue than CVE-2017-1000371. This issue appears to be limited to i386 based systems.

El parche offset2lib tal como es usado por el Kernel de Linux contiene una vulnerabilidad que permite que un binario PIE sea execve()'ed con 1 GB de argumentos o cadenas de entorno, entonces la pila ocupa la dirección 0x80000000 y el binario PIE se asigna por encima de 0x40000000 haciendo null la protección del parche offset2lib. Esto afecta al Kernel de Linux versión 4.11.5 y anteriores. Este es un problema diferente al CVE-2017-1000371. Este problema parece estar limitado a los sistemas basados en i386.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

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

2017-06-19 CVE Reserved
2017-06-19 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (6)

URL	Tag	Source
http://www.securityfocus.com/bid/99149	Third Party Advisory
https://access.redhat.com/security/cve/CVE-2017-1000370	Third Party Advisory
https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/42274	2024-08-05
https://www.exploit-db.com/exploits/42273	2024-08-05

URL	Date	SRC

URL	Date	SRC
http://www.debian.org/security/2017/dsa-3981	2023-01-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.1 < 4.1.43 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.1 < 4.1.43"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.2 < 4.4.78 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.2 < 4.4.78"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.5 < 4.9.39 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.5 < 4.9.39"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.10 < 4.11.12 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.10 < 4.11.12"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.12 < 4.12.3 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.12 < 4.12.3"		-		Affected