VulnerabilityModified
CVE-2015-7855
The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value.
MEDIUM 6.5EPSS 31.1%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 31.1%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 31.07% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- ntp/ntp · debian/debian linux · netapp/oncommand balance · netapp/oncommand performance manager · netapp/oncommand unified manager · netapp/clustered data ontap · netapp/data ontap · siemens/tim 4r-ie firmware · siemens/tim 4r-ie dnp3 firmware
- Source
- cve@mitre.org
References
- http://support.ntp.org/bin/view/Main/NtpBug2922Patch, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3388Third Party Advisory
- http://www.securityfocus.com/bid/77283Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1274264Issue Tracking, Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdfThird Party Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
- https://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11Third Party Advisory, US Government Resource
- https://www.exploit-db.com/exploits/40840/Exploit, Third Party Advisory, VDB Entry
- http://support.ntp.org/bin/view/Main/NtpBug2922Patch, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3388Third Party Advisory
- http://www.securityfocus.com/bid/77283Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1274264Issue Tracking, Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdfThird Party Advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
- https://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11Third Party Advisory, US Government Resource
- https://www.exploit-db.com/exploits/40840/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.