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CVE-2017-7523

UnknownEPSS 2.75%

Last modified

CVE-2017-7523 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.75% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
2.75%

84.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CygwinCygwin1.7.2
CygwinCygwin1.7.3
CygwinCygwin1.7.5
CygwinCygwin1.7.6
CygwinCygwin1.7.7
CygwinCygwin1.7.8
CygwinCygwin1.7.9
CygwinCygwin1.7.10
CygwinCygwin1.7.11
CygwinCygwin1.7.12
CygwinCygwin1.7.13
CygwinCygwin1.7.14
CygwinCygwin1.7.15
CygwinCygwin1.7.16
CygwinCygwin1.7.17
CygwinCygwin1.7.18
CygwinCygwin1.7.19
CygwinCygwin1.7.21
CygwinCygwin1.7.22
CygwinCygwin1.7.23
CygwinCygwin1.7.24
CygwinCygwin1.7.25
CygwinCygwin1.7.26
CygwinCygwin1.7.27
CygwinCygwin1.7.28
CygwinCygwin1.7.29
CygwinCygwin1.7.31
CygwinCygwin1.7.32
CygwinCygwin1.7.33
CygwinCygwin1.7.34
CygwinCygwin1.7.35
CygwinCygwin1.8.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-7523?
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.
How severe is CVE-2017-7523?
Severity scoring for CVE-2017-7523 is pending analysis. The EPSS model estimates a 2.75% probability of exploitation in the next 30 days.
How do I fix CVE-2017-7523?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7523?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST