CVE-2021-42375
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.
- Score
- CVSS 3.1 5.5 Medium
- Status
- Modified - reefs@jfrog.com
- Published
- 2021-11-15
- Last modified
- 2025-04-23
- Weaknesses
- CWE-159
Affected products
- Busybox (Busybox)
- Fedora (Fedoraproject)
- Cloud Backup (Netapp)
- H300e Firmware (Netapp)
- H300s Firmware (Netapp)
- H410s Firmware (Netapp)
- H500e Firmware (Netapp)
- H500s Firmware (Netapp)
- H700e Firmware (Netapp)
- H700s Firmware (Netapp)
- Hci Management Node (Netapp)
- Solidfire (Netapp)
References
- https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
- https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOA…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR…
- https://security.netapp.com/advisory/ntap-20211223-0002/
