Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2016-0778

Disclosure Date: January 14, 2016
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The (1) roaming_read and (2) roaming_write functions in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2, when certain proxy and forward options are enabled, do not properly maintain connection file descriptors, which allows remote servers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact by requesting many forwardings.

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CVSS V3 Severity and Metrics
Base Score:
8.1 High
Impact Score:
5.9
Exploitability Score:
2.2
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • apple,
  • hp,
  • openbsd,
  • oracle,
  • sophos

Products

  • linux 7,
  • mac os x,
  • openssh 5.4,
  • openssh 5.5,
  • openssh 5.6,
  • openssh 5.7,
  • openssh 5.8,
  • openssh 5.9,
  • openssh 6.0,
  • openssh 6.1,
  • openssh 6.2,
  • openssh 6.3,
  • openssh 6.4,
  • openssh 6.5,
  • openssh 6.6,
  • openssh 6.7,
  • openssh 6.8,
  • openssh 6.9,
  • openssh 7.0,
  • openssh 7.1,
  • solaris 11.3,
  • unified threat management software 9.353,
  • virtual customer access system

References

Advisory

Additional Info

Technical Analysis