CVE-2021-21815
Last modified
CVE-2021-21815 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A stack-based buffer overflow vulnerability exists in the command-line-parsing HandleFileArg functionality of AT&T Labs' Xmill 0.7. Within the function HandleFileArg the argument filepattern is under control of the user who passes it in from the command line. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
A stack-based buffer overflow vulnerability exists in the command-line-parsing HandleFileArg functionality of AT&T Labs' Xmill 0.7. 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 strcpy copying the path provided by the user into a staticly sized buffer without any length checks resulting in a stack-buffer overflow. An attacker can provide malicious input to trigger this vulnerability.
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
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