Home/CVE/The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of se
CVE

CVE-2016-6301

The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of se

The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged NTP packet, which triggers a communication loop.

HIGH · CVSS 7.5 EPSS 0.0488
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
▤

Affected Products & Versions

1
busybox< 1.25.1
⚠

Public Exploits & PoCs

2
pocpacketstormsecurity.com · WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-...packetstormsecurity.com
pocpacketstormsecurity.com · Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.htmlpacketstormsecurity.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Dec 2016 · 08:59 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:11738-1
suse-csafSUSE-SU-2022:4253-1
suse-csafSUSE-SU-2022:3959-1
suse-csafSUSE-SU-2022:0135-2
suse-csafopenSUSE-SU-2022:0135-1
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2019/Jun/18
http://seclists.org/fulldisclosure/2019/Sep/7
http://seclists.org/fulldisclosure/2020/Aug/20
http://seclists.org/fulldisclosure/2020/Mar/15
http://www.openwall.com/lists/oss-security/2016/08/03/7Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/92277Third Party AdvisoryVDB Entry
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