CVE-2016-2147: Integer Overflow
First published: Thu Feb 09 2017(Updated: )
Integer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to cause a denial of service (crash) via a malformed RFC1035-encoded domain name, which triggers an out-of-bounds heap write.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Busybox Busybox | <=1.24.2 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| debian/busybox | 1:1.30.1-6 1:1.35.0-4 1:1.37.0-4 |
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Reference Links
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
- http://seclists.org/fulldisclosure/2019/Jun/18
- http://seclists.org/fulldisclosure/2019/Sep/7
- http://seclists.org/fulldisclosure/2020/Aug/20
- http://www.openwall.com/lists/oss-security/2016/03/11/16
- https://busybox.net/news.html
- https://git.busybox.net/busybox/commit/?id=d474ffc68290e0a83651c4432eeabfa62cd51e87
- https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
- https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
- https://seclists.org/bugtraq/2019/Jun/14
- https://seclists.org/bugtraq/2019/Sep/7
- https://security.gentoo.org/glsa/201612-04
- https://usn.ubuntu.com/3935-1/
- https://launchpad.net/bugs/cve/CVE-2016-2147
- https://security-tracker.debian.org/tracker/CVE-2016-2147
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2147
- https://nvd.nist.gov/vuln/detail/CVE-2016-2147
- https://ubuntu.com/security/CVE-2016-2147
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2016-2147.
What is the severity of CVE-2016-2147?
The severity of CVE-2016-2147 is high with a severity value of 7.5.
How does CVE-2016-2147 impact the affected software?
CVE-2016-2147 allows remote attackers to cause a denial of service (crash) via a malformed RFC1035-encoded domain name, which triggers an out-of-bounds heap write.
Which versions of BusyBox are affected by CVE-2016-2147?
Versions up to and including 1.24.2 of BusyBox are affected by CVE-2016-2147.
How can I fix CVE-2016-2147?
To fix CVE-2016-2147, update BusyBox to version 1.25.0 or higher.
- collector/nvd-index
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- collector/nvd-cve
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- agent/last-modified-date
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- source/Ubuntu
- vendor/busybox
- canonical/busybox busybox
- version/busybox busybox/1.24.2
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0
- version/debian debian linux/9.0
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/14.04
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04
- version/canonical ubuntu linux/18.10
- package-manager/debian