SB2017020905 - Heap-based buffer overflow in busybox.net BusyBox
Published: February 9, 2017 Updated: June 4, 2019
Security Bulletin ID
SB2017020905
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2016-2148)
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.
Remediation
Install update from vendor's website.
References
- http://www.openwall.com/lists/oss-security/2016/03/11/16
- https://busybox.net/news.html
- https://git.busybox.net/busybox/commit/?id=352f79acbd759c14399e39baef21fc4ffe180ac2
- https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
- https://security.gentoo.org/glsa/201612-04
- https://usn.ubuntu.com/3935-1/