CVE-2016-2147
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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 7.80% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.5% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-02-09 15:00Z9 YR AGO
- Last updated
- 2024-08-05 23:17Z2 YR AGO
- Reserved
- 2016-01-29
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 0172c86c95126a988ccb31e1feda72eee3e8f93c076811606e077474731b64a1
05 Affected products
06 References
- git.busybox.nethttps://git.busybox.net/busybox/commit/?id=d474ffc68290e0a83651c4432eeabfa62cd51e87
- www.openwall.com[oss-security] 20160311 two udhcpc (busybox) issueshttp://www.openwall.com/lists/oss-security/2016/03/11/16
- security.gentoo.orgGLSA-201612-04https://security.gentoo.org/glsa/201612-04
- lists.debian.org[debian-lts-announce] 20180727 [SECURITY] [DLA 1445-1] busybox security updatehttps://lists.debian.org/debian-lts-announce/2018/07/msg00037.html
- busybox.nethttps://busybox.net/news.html
- usn.ubuntu.comUSN-3935-1https://usn.ubuntu.com/3935-1/
- seclists.org20190612 SEC Consult SA-20190612-0 :: Multiple vulnerabilities in WAGO 852 Industrial Managed Switch Serieshttp://seclists.org/fulldisclosure/2019/Jun/18
- seclists.org20190613 SEC Consult SA-20190612-0 :: Multiple vulnerabilities in WAGO 852 Industrial Managed Switch Serieshttps://seclists.org/bugtraq/2019/Jun/14
- packetstormsecurity.comhttp://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
- seclists.org20190904 SEC Consult SA-20190904-0 :: Multiple vulnerabilities in Cisco router series RV34X, RV26X and RV16Xhttp://seclists.org/fulldisclosure/2019/Sep/7
- seclists.org20190904 SEC Consult SA-20190904-0 :: Multiple vulnerabilities in Cisco router series RV34X, RV26X and RV16Xhttps://seclists.org/bugtraq/2019/Sep/7
- packetstormsecurity.comhttp://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
- seclists.org20200827 SEC Consult SA-20200827-0 :: Multiple Vulnerabilities in ZTE mobile Hotspot MS910Shttp://seclists.org/fulldisclosure/2020/Aug/20
- lists.debian.org[debian-lts-announce] 20210215 [SECURITY] [DLA 2559-1] busybox security updatehttps://lists.debian.org/debian-lts-announce/2021/02/msg00020.html
07 Fixed in
Debian 12
- busybox Fixed in 1:1.27.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- busybox Fixed in 1:1.27.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- busybox Fixed in 1:1.27.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- busybox Fixed in 1:1.21.0-1ubuntu1.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- busybox Fixed in 1:1.22.0-15ubuntu1.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.