OpenSSH kex_input_kexinit Denial of Service (CVE-2016-8858)

A denial of service vulnerability has been reported in OpenSSH. The vulnerability is due to improper implementation of the kexinputkexinit function in the kex module allowing the function to be repeated after receipt of a message. A remote attacker could exploit this vulnerability by sending...

Design/Logic Flaw

The kexinputkexinit 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."...

CVE-2016-8858

The kexinputkexinit 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."...

CVE-2016-8858

The kexinputkexinit 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."...

CVE-2016-8858

The kexinputkexinit 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."...

CVE-2016-8858

CVE-2016-8858 affects OpenSSH 6.x and 7.x up to 7.3, where the kex_input_kexinit() function can be triggered by remote KEXINIT messages to exhaust memory and cause a denial of service. Public sources in connected docs describe memory consumption per connection (examples range up to 128 MB per con...

CVE-2016-8858

DISPUTED The kexinputkexinit 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."...