UBUNTU-CVE-2021-42375
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-42375
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2021-42375, https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/, https://www.cve.org/CVERecord?id=CVE-2021-42375
Affected packages
Package
Name: busybox
Purl: pkg:deb/ubuntu/busybox@1:1.27.2-2ubuntu3.3?arch=source&distro=bionic
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -1:1.27.2-2ubuntu3.3
Affected versions
1:1.22.0-19ubuntu2
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
