CVE-2021-21813
Last modified
CVE-2021-21813 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Within the function HandleFileArg the argument filepattern is under control of the user who passes it in from the command line. filepattern is passed directly to memcpy copying the path provided by the user into a staticly sized buffer without any length checks resulting in a stack-buffer overflow.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
Within the function HandleFileArg the argument filepattern is under control of the user who passes it in from the command line. filepattern is passed directly to memcpy copying the path provided by the user into a staticly sized buffer without any length checks resulting in a stack-buffer overflow.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Att | Xmill | 0.7 |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1280Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1280Exploit, Third Party 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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