CVE-2017-7523

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cygwin versions 1.7.2 up to and including 1.8.0 are vulnerable to buffer overflow vulnerability in wcsxfrm/wcsxfrm_l functions resulting into denial-of-service by crashing the process or potential hijack of the process running with administrative privileges triggered by specially crafted input string.

Cygwin versiones 1.7.2 hasta e incluyendo a 1.8.0, son susceptibles a una vulnerabilidad de desbordamiento de búfer en las funciones wcsxfrm y wcsxfrm_l resultando en una denegación de servicio por el bloqueo o el posible secuestro del proceso que se ejecuta con privilegios administrativos activado por una cadena de entrada especialmente creada.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-04-05 CVE Reserved
2017-07-21 CVE Published
2023-05-31 EPSS Updated
2024-09-16 CVE Updated
2024-09-16 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787: Out-of-bounds Write

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://cygwin.com/ml/cygwin/2017-05/msg00149.html	2024-09-16

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.2 Search vendor "Cygwin" for product "Cygwin" and version "1.7.2"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.3 Search vendor "Cygwin" for product "Cygwin" and version "1.7.3"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.5 Search vendor "Cygwin" for product "Cygwin" and version "1.7.5"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.6 Search vendor "Cygwin" for product "Cygwin" and version "1.7.6"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.7 Search vendor "Cygwin" for product "Cygwin" and version "1.7.7"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.8 Search vendor "Cygwin" for product "Cygwin" and version "1.7.8"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.9 Search vendor "Cygwin" for product "Cygwin" and version "1.7.9"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.10 Search vendor "Cygwin" for product "Cygwin" and version "1.7.10"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.11 Search vendor "Cygwin" for product "Cygwin" and version "1.7.11"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.12 Search vendor "Cygwin" for product "Cygwin" and version "1.7.12"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.13 Search vendor "Cygwin" for product "Cygwin" and version "1.7.13"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.14 Search vendor "Cygwin" for product "Cygwin" and version "1.7.14"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.15 Search vendor "Cygwin" for product "Cygwin" and version "1.7.15"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.16 Search vendor "Cygwin" for product "Cygwin" and version "1.7.16"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.17 Search vendor "Cygwin" for product "Cygwin" and version "1.7.17"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.18 Search vendor "Cygwin" for product "Cygwin" and version "1.7.18"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.19 Search vendor "Cygwin" for product "Cygwin" and version "1.7.19"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.21 Search vendor "Cygwin" for product "Cygwin" and version "1.7.21"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.22 Search vendor "Cygwin" for product "Cygwin" and version "1.7.22"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.23 Search vendor "Cygwin" for product "Cygwin" and version "1.7.23"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.24 Search vendor "Cygwin" for product "Cygwin" and version "1.7.24"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.25 Search vendor "Cygwin" for product "Cygwin" and version "1.7.25"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.26 Search vendor "Cygwin" for product "Cygwin" and version "1.7.26"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.27 Search vendor "Cygwin" for product "Cygwin" and version "1.7.27"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.28 Search vendor "Cygwin" for product "Cygwin" and version "1.7.28"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.29 Search vendor "Cygwin" for product "Cygwin" and version "1.7.29"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.31 Search vendor "Cygwin" for product "Cygwin" and version "1.7.31"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.32 Search vendor "Cygwin" for product "Cygwin" and version "1.7.32"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.33 Search vendor "Cygwin" for product "Cygwin" and version "1.7.33"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.34 Search vendor "Cygwin" for product "Cygwin" and version "1.7.34"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.7.35 Search vendor "Cygwin" for product "Cygwin" and version "1.7.35"		-		Affected
Cygwin Search vendor "Cygwin"		Cygwin Search vendor "Cygwin" for product "Cygwin"				1.8.0 Search vendor "Cygwin" for product "Cygwin" and version "1.8.0"		-		Affected