7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.047 Low
EPSS
Percentile
92.4%
sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence NEWKEYS message, as demonstrated by Honggfuzz, related to kex.c and packet.c.
CPE | Name | Operator | Version |
---|---|---|---|
openssh-portable | eq | V_9_4_P1 |
blog.swiecki.net/2018/01/fuzzing-tcp-servers.html
www.securityfocus.com/bid/102780
anongit.mindrot.org/openssh.git/commit/?id=28652bca29046f62c7045e933e6b931de1d16737
cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
kc.mcafee.com/corporate/index?page=content&id=SB10284
lists.debian.org/debian-lts-announce/2018/01/msg00031.html
lists.debian.org/debian-lts-announce/2018/09/msg00010.html
security.netapp.com/advisory/ntap-20180423-0003/
support.f5.com/csp/article/K32485746?utm_source=f5support&%3Butm_medium=RSS
usn.ubuntu.com/3809-1/
www.openssh.com/releasenotes.html
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.047 Low
EPSS
Percentile
92.4%