UBUNTU-CVE-2021-42377
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-42377
Summary:
Details: An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input.
References: https://ubuntu.com/security/CVE-2021-42377, https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/, https://www.cve.org/CVERecord?id=CVE-2021-42377
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
