CVE-2017-7523
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cygwin | Cygwin | 1.7.2 |
| Cygwin | Cygwin | 1.7.3 |
| Cygwin | Cygwin | 1.7.5 |
| Cygwin | Cygwin | 1.7.6 |
| Cygwin | Cygwin | 1.7.7 |
| Cygwin | Cygwin | 1.7.8 |
| Cygwin | Cygwin | 1.7.9 |
| Cygwin | Cygwin | 1.7.10 |
| Cygwin | Cygwin | 1.7.11 |
| Cygwin | Cygwin | 1.7.12 |
| Cygwin | Cygwin | 1.7.13 |
| Cygwin | Cygwin | 1.7.14 |
| Cygwin | Cygwin | 1.7.15 |
| Cygwin | Cygwin | 1.7.16 |
| Cygwin | Cygwin | 1.7.17 |
| Cygwin | Cygwin | 1.7.18 |
| Cygwin | Cygwin | 1.7.19 |
| Cygwin | Cygwin | 1.7.21 |
| Cygwin | Cygwin | 1.7.22 |
| Cygwin | Cygwin | 1.7.23 |
| Cygwin | Cygwin | 1.7.24 |
| Cygwin | Cygwin | 1.7.25 |
| Cygwin | Cygwin | 1.7.26 |
| Cygwin | Cygwin | 1.7.27 |
| Cygwin | Cygwin | 1.7.28 |
| Cygwin | Cygwin | 1.7.29 |
| Cygwin | Cygwin | 1.7.31 |
| Cygwin | Cygwin | 1.7.32 |
| Cygwin | Cygwin | 1.7.33 |
| Cygwin | Cygwin | 1.7.34 |
| Cygwin | Cygwin | 1.7.35 |
| Cygwin | Cygwin | 1.8.0 |
References
- https://cygwin.com/ml/cygwin/2017-05/msg00149.htmlExploit, Mailing List, Vendor Advisory
- https://cygwin.com/ml/cygwin/2017-05/msg00149.htmlExploit, Mailing List, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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