CVE-2017-7523

Summary

CVE	CVE-2017-7523
State	PUBLISHED
Assigner	redhat
Source Priority	CVE Program / NVD first with legacy fallback
Published	2017-07-21 22:29:00 UTC
Updated	2025-04-20 01:37:25 UTC
Description	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.

Primary CVSS: v3.0 7.5 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-787 | CWE-119 | CWE-787 CWE-787

Version	Source	Type	Score	Severity	Vector
3.0	[email protected]	Primary	7.5	HIGH	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`
2.0	[email protected]	Primary	5		`AV:N/AC:L/Au:N/C:N/I:N/A:P`

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Access Vector

Network

Access Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

Type	Vendor	Product	Version	Update	Edition	Language
Application	Cygwin	Cygwin	1.7.10	All	All	All
Application	Cygwin	Cygwin	1.7.11	All	All	All
Application	Cygwin	Cygwin	1.7.12	All	All	All
Application	Cygwin	Cygwin	1.7.13	All	All	All
Application	Cygwin	Cygwin	1.7.14	All	All	All
Application	Cygwin	Cygwin	1.7.15	All	All	All
Application	Cygwin	Cygwin	1.7.16	All	All	All
Application	Cygwin	Cygwin	1.7.17	All	All	All
Application	Cygwin	Cygwin	1.7.18	All	All	All
Application	Cygwin	Cygwin	1.7.19	All	All	All
Application	Cygwin	Cygwin	1.7.2	All	All	All
Application	Cygwin	Cygwin	1.7.21	All	All	All
Application	Cygwin	Cygwin	1.7.22	All	All	All
Application	Cygwin	Cygwin	1.7.23	All	All	All
Application	Cygwin	Cygwin	1.7.24	All	All	All
Application	Cygwin	Cygwin	1.7.25	All	All	All
Application	Cygwin	Cygwin	1.7.26	All	All	All
Application	Cygwin	Cygwin	1.7.27	All	All	All
Application	Cygwin	Cygwin	1.7.28	All	All	All
Application	Cygwin	Cygwin	1.7.29	All	All	All
Application	Cygwin	Cygwin	1.7.3	All	All	All
Application	Cygwin	Cygwin	1.7.31	All	All	All
Application	Cygwin	Cygwin	1.7.32	All	All	All
Application	Cygwin	Cygwin	1.7.33	All	All	All
Application	Cygwin	Cygwin	1.7.34	All	All	All
Application	Cygwin	Cygwin	1.7.35	All	All	All
Application	Cygwin	Cygwin	1.7.5	All	All	All
Application	Cygwin	Cygwin	1.7.6	All	All	All
Application	Cygwin	Cygwin	1.7.7	All	All	All
Application	Cygwin	Cygwin	1.7.8	All	All	All
Application	Cygwin	Cygwin	1.7.9	All	All	All
Application	Cygwin	Cygwin	1.8.0	All	All	All

Source	Vendor	Product	Version	Platforms
CNA	Red Hat Inc.	Cygwin	affected since 1.7.2 up to 2.8.0	Not specified

Reference	Source	Link	Tags
Erik Bray - Bug? wcsxfrm causing memory corruption	af854a3a-2127-422b-91ae-364da2661108	cygwin.com	Exploit, Mailing List, Vendor Advisory
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

There are currently no legacy QID mappings associated with this CVE.