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CVE-2016-0778

Disclosure Date: January 14, 2016
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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
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Impact Score:
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Exploitability Score:
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Attack Vector (AV):
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Privileges Required (PR):
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User Interaction (UI):
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Scope (S):
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Confidentiality (C):
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Integrity (I):
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Availability (A):
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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