CVE-2021-42375
- State
- Published
- Severity
- 5.5 Medium
- Published
- Nov 15, 2021
- Updated
- Apr 23, 2025
- Reserved
- Oct 14, 2021
Description
An incorrect handling of a special element in Busybox's ash applet leads to denial of service when processing a crafted shell command, due to the shell mistaking specific characters for reserved characters. This may be used for DoS under rare conditions of filtered command input.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
busyboxbusybox |
|
References
- https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
- FEDORA-2021-5a95823596vendor-advisory
- FEDORA-2021-c52c0fe490vendor-advisory
- https://security.netapp.com/advisory/ntap-20211223-0002/
- https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
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