NULL Pointer Dereference

Affecting openssh package, versions <1:6.7p1-5+deb8u6

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Overview

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.

References

CVSS Score

7.5
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2016-10708
CWE
CWE-476
Snyk ID
SNYK-DEBIAN8-OPENSSH-368780
Disclosed
21 Jan, 2018
Published
21 Jan, 2018