OS Command Injection in BusyBox - CVE-2022-28391

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation of DNS PTR records output within the netstat utility if executed on VT compatible terminal. A remote attacker can trick the victim to run the netstat command after initiating a connection to the system and execute arbitrary OS commands on the target system with privileges of the user running the netstat command.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2022-28391

External References

• https://git.alpinelinux.org/aports/plain/main/busybox/0002-nslookup-sanitize-all-printed-strings-with-printable.patch
• https://gitlab.alpinelinux.org/alpine/aports/-/issues/13661
• https://git.alpinelinux.org/aports/plain/main/busybox/0001-libbb-sockaddr2str-ensure-only-printable-characters-.patch

Related Security Bulletins

• Remote code execution in BusyBox netstat applet
• Amazon Linux AMI update for busybox
• Multiple vulnerabilities in Docker Distribution
• Multiple vulnerabilities in Siemens SIMATIC S7-1500 TM MFP - BIOS
• Multiple vulnerabilities in Dell Container Storage Modules
• openEuler update for busybox