CVE-2017-7523

high-risk

Published 2017-07-21

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.

Do I need to act?

0.50% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (20)

Cygwin

Affected Vendors

Cygwin

References (2)

Exploit https://cygwin.com/ml/cygwin/2017-05/msg00149.html

/ 100

high-risk

Severity 26/34 · High

Exploitability 2/34 · Minimal

Exposure 23/34 · High