VulnerabilityModified
CVE-2016-6301
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 7.5EPSS 8.89%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 8.89% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399, CWE-835
- Affected
- busybox/busybox
- Source
- secalert@redhat.com
References
- 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://seclists.org/fulldisclosure/2020/Mar/15
- http://www.openwall.com/lists/oss-security/2016/08/03/7Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92277Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1363710Issue Tracking, Third Party Advisory
- https://git.busybox.net/busybox/commit/?id=150dc7a2b483b8338a3e185c478b4b23ee884e71Issue Tracking, Patch
- https://seclists.org/bugtraq/2019/Jun/14
- https://seclists.org/bugtraq/2019/Sep/7
- https://security.gentoo.org/glsa/201701-05Third Party Advisory
- 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://seclists.org/fulldisclosure/2020/Mar/15
- http://www.openwall.com/lists/oss-security/2016/08/03/7Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92277Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1363710Issue Tracking, Third Party Advisory
- https://git.busybox.net/busybox/commit/?id=150dc7a2b483b8338a3e185c478b4b23ee884e71Issue Tracking, Patch
- https://seclists.org/bugtraq/2019/Jun/14
- https://seclists.org/bugtraq/2019/Sep/7
- https://security.gentoo.org/glsa/201701-05Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.