Heap-based buffer overflow in BusyBox - CVE-2016-2148

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Main Vulnerability Database Vulnerabilities #VU18673

Heap-based buffer overflow in BusyBox - CVE-2016-2148

Published: June 4, 2019


Vulnerability identifier: #VU18673
CSH Severity: Medium
CVSS v4: 7.3 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-2148
CWE-ID: CWE-122
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error in udhcpc client when parsing DHCP packets with specially crafted OPTION_6RD option. A remote attacker can trick the victim to connect to malicious DHCP server, trigger heap-based buffer overflow and execute arbitrary code on the target system.

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


Affected software

BusyBox
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Manager Proxy
SUSE Enterprise Storage
SUSE OpenStack Cloud Crowbar
SUSE OpenStack Cloud
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Realtime Extension
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Desktop
openSUSE Leap
busybox (Alpine package)
busybox
busybox-static
busybox-testsuite
busybox-warewulf3

How to mitigate CVE-2016-2148

Install update from vendor's website.

BusyBox - update to 1.25.0
busybox (Alpine package) - update to 1.24.2-r0
busybox - addressed in versions 1.34.1-4.9.1, 1.35.0-4.3.1, 1.35.0-150400.3.3.1
busybox-static - addressed in versions 1.34.1-4.9.1, 1.35.0-150400.3.3.1
busybox-testsuite - update to 1.35.0-150400.3.3.1
busybox-warewulf3 - update to 1.35.0-150400.3.3.1

External References

Related Security Bulletins