NULL Pointer Dereference Affecting openssh package, versions <1:6.6p1-2ubuntu2.11


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
5.23% (94th percentile)

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  • Snyk IDSNYK-UBUNTU1404-OPENSSH-368784
  • published21 Jan 2018
  • disclosed21 Jan 2018

Introduced: 21 Jan 2018

CVE-2016-10708  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 openssh to version 1:6.6p1-2ubuntu2.11 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

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.