sshd in OpenSSH before 7.4 allows remote attackers to cause...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.openssh.com/releasenotes.html
- https://security.netapp.com/advisory/ntap-20180423-0003/
- https://lists.debian.org/debian-lts-announce/2018/01/msg00031.html
- https://anongit.mindrot.org/openssh.git/commit/?id=28652bca29046f62c7045e933e6b931de1d16737
- https://usn.ubuntu.com/3809-1/
- http://www.securityfocus.com/bid/102780
- https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
- http://blog.swiecki.net/2018/01/fuzzing-tcp-servers.html
- https://kc.mcafee.com/corporate/index?page=content&id=SB10284
- https://support.f5.com/csp/article/K32485746?utm_source=f5support&%3Butm_medium=RSS
- https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
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CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.