ID CVE-2016-8858
Summary ** DISPUTED ** The kex_input_kexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a denial of service (memory consumption) by sending many duplicate KEXINIT requests. NOTE: a third party reports that "OpenSSH upstream does not consider this as a security issue."
References
Vulnerable Configurations
  • cpe:2.3:a:openbsd:openssh:6.8:*:*:*:*:*:*:*
    cpe:2.3:a:openbsd:openssh:6.8:*:*:*:*:*:*:*
  • cpe:2.3:a:openbsd:openssh:6.9:*:*:*:*:*:*:*
    cpe:2.3:a:openbsd:openssh:6.9:*:*:*:*:*:*:*
  • cpe:2.3:a:openbsd:openssh:7.0:*:*:*:*:*:*:*
    cpe:2.3:a:openbsd:openssh:7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:openbsd:openssh:7.1:*:*:*:*:*:*:*
    cpe:2.3:a:openbsd:openssh:7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:openbsd:openssh:7.2:*:*:*:*:*:*:*
    cpe:2.3:a:openbsd:openssh:7.2:*:*:*:*:*:*:*
  • cpe:2.3:a:openbsd:openssh:7.3:*:*:*:*:*:*:*
    cpe:2.3:a:openbsd:openssh:7.3:*:*:*:*:*:*:*
CVSS
Base: 7.8 (as of 19-09-2018 - 20:02)
Impact:
Exploitability:
CWE CWE-399
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE COMPLETE
cvss-vector via4 AV:N/AC:L/Au:N/C:N/I:N/A:C
refmap via4
bid 93776
confirm https://security.netapp.com/advisory/ntap-20180201-0001/
freebsd FreeBSD-SA-16:33
gentoo GLSA-201612-18
misc
mlist
  • [oss-security] 20161019 CVE Request: OpenSSH: Memory exhaustion issue found in OpenSSH
  • [oss-security] 20161020 Re: Re: CVE Request: OpenSSH: Memory exhaustion issue found in OpenSSH
sectrack 1037057
Last major update 19-09-2018 - 20:02
Published 09-12-2016 - 11:59
Back to Top