PRIOn knowledge basePRION:CVE-2015-7871Authentication flaw
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7 High
AI Score
Confidence
Low
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.97 High
EPSS
Percentile
99.7%
Crypto-NAK packets in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to bypass authentication.
| CPE | Name | Operator | Version |
|---|---|---|---|
| debian_linux | eq | 8.0 | |
| debian_linux | eq | 7.0 | |
| debian_linux | eq | 9.0 | |
| ntp | eq | 4.2.5 p238-rc1 | |
| ntp | eq | 4.2.5 p240-rc1 | |
| ntp | eq | 4.2.5 p210 | |
| ntp | eq | 4.2.5 p199 | |
| ntp | eq | 4.2.5 p212 | |
| ntp | eq | 4.2.5 p207 | |
| ntp | eq | 4.2.5 p244-rc1 |
References
support.ntp.org/bin/view/Main/NtpBug2941
www.debian.org/security/2015/dsa-3388
www.securityfocus.com/bid/77287
www.securitytracker.com/id/1033951
bugzilla.redhat.com/show_bug.cgi?id=1274265
cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839
security.gentoo.org/glsa/201604-03
security.gentoo.org/glsa/201607-15
security.netapp.com/advisory/ntap-20171004-0001/
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7 High
AI Score
Confidence
Low
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.97 High
EPSS
Percentile
99.7%