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.

CVSS v3.1 NVD

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

4.0 MEDIUMAV:N/AC:L/Au:S/C:N/I:N/A:P

EPSS

31.07% chance of exploitation in the next 30 days, 98th percentile

Published

2017-08-07

Updated

2024-08-06

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/40840

Security advisories

• http://support.ntp.org/bin/view/Main/NtpBug2922
• http://www.debian.org/security/2015/dsa-3388
• http://www.securityfocus.com/bid/77283
• http://www.securitytracker.com/id/1033951
• https://bugzilla.redhat.com/show_bug.cgi?id=1274264
• https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839
• https://security.gentoo.org/glsa/201607-15
• https://security.netapp.com/advisory/ntap-20171004-0001
• https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11

References

• CVE Record
• NVD entry