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CVE-2016-10708

Published: 21 January 2018

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.

Notes

AuthorNote
mdeslaur
rated low as issue only allows crashing the per-connection
process, not the main daemon.

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
openssh
Launchpad, Ubuntu, Debian
artful Not vulnerable
(1:7.5p1-10ubuntu0.1)
bionic Not vulnerable
(1:7.5p1-10)
cosmic Not vulnerable
(1:7.5p1-10)
disco Not vulnerable
(1:7.5p1-10)
eoan Not vulnerable
(1:7.5p1-10)
focal Not vulnerable
(1:7.5p1-10)
hirsute Not vulnerable
(1:7.5p1-10)
trusty
Released (1:6.6p1-2ubuntu2.11)
upstream
Released (1:7.4p1-1)
xenial
Released (1:7.2p2-4ubuntu2.6)
groovy Not vulnerable
(1:7.5p1-10)
Patches:
upstream: https://anongit.mindrot.org/openssh.git/commit/?id=28652bca29046f62c7045e933e6b931de1d16737

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H