CVE-2016-0777

Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 14 Jan 2016, 00:00
Last modified:29 May 2026, 20:30

Vulnerability Summary

Overall Risk (default)
medium
40/100
CVSS Score
6.5 MEDIUM
v3.1 (nvd)
EPSS Score
71.66% CRITICAL
72% probability +4.45%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Jan 2016, 00:00
Published
Vulnerability first disclosed
29 May 2026, 20:30
Last Modified
Vulnerability information updated

Description

The resend_bytes function in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2 allows remote servers to obtain sensitive information from process memory by requesting transmission of an entire buffer, as demonstrated by reading a private key.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • v3.0•MEDIUM•Score: 6.5CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • v2.0•MEDIUM•Score: 4AV:N/AC:L/Au:S/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 71.66%• Percentile: 99%

Techniques & Countermeasures

  • CWE-200•Exposure of Sensitive Information to an Unauthorized Actor

    The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Affected Systems

  • apple•mac_os_x

    ≤ 10.11.3

  • hp•remote_device_access_virtual_customer_access_system

    ≤ 15.07

  • openbsd•openssh

    5.0 | 5.0:p1 | 5.1 | 5.1:p1 | 5.2 | 5.2:p1 | 5.3 | 5.3:p1 | 5.4 | 5.4:p1 | 5.5 | 5.5:p1 | 5.6 | 5.6:p1 | 5.7 | 5.7:p1 | 5.8 | 5.8:p1 | 5.9 | 5.9:p1 | 6.0 | 6.0:p1 | 6.1 | 6.1:p1 | 6.2 | 6.2:p1 | 6.2:p2 | 6.3 | 6.3:p1 | 6.4 | 6.4:p1 | 6.5 | 6.5:p1 | 6.6 | 6.6:p1 | 6.7 | 6.7:p1 | 6.8 | 6.8:p1 | 6.9 | 6.9:p1 | 7.0 | 7.0:p1 | 7.1 | 7.1:p1

  • oracle•linux

    7

  • Unknown•Solaris

    11.3

  • sophos•unified_threat_management_software

    9.318 | 9.353

References (34)