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Vulnerability details: VCID-7p5w-abag-aaag
Vulnerability ID VCID-7p5w-abag-aaag
Aliases CVE-2016-2147
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-190 Integer Overflow or Wraparound
CWE-787 Out-of-bounds Write
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-2147.html
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rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1316554
generic_textual Low https://busybox.net/news.html
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2147
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2016-2147
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-2147
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2016-2147
generic_textual Low https://ubuntu.com/security/notices/USN-3935-1
generic_textual Low https://usn.ubuntu.com/usn/usn-3935-1
Reference id Reference type URL
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://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-2147.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-2147.json
https://api.first.org/data/v1/epss?cve=CVE-2016-2147
https://busybox.net/news.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2147
http://seclists.org/fulldisclosure/2019/Jun/18
http://seclists.org/fulldisclosure/2019/Sep/7
http://seclists.org/fulldisclosure/2020/Aug/20
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://ubuntu.com/security/notices/USN-3935-1
https://usn.ubuntu.com/3935-1/
https://usn.ubuntu.com/usn/usn-3935-1
http://www.openwall.com/lists/oss-security/2016/03/11/16
1316554 https://bugzilla.redhat.com/show_bug.cgi?id=1316554
818499 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=818499
cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2016-2147 https://nvd.nist.gov/vuln/detail/CVE-2016-2147
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2016-2147
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-2147
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2016-2147
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.83538
EPSS Score 0.02203
Published At May 12, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.