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ubuntuUbuntuUSN-2869-1
HistoryJan 14, 2016 - 12:00 a.m.

OpenSSH vulnerabilities

2016-01-1400:00:00
ubuntu.com
67

4.6 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:S/C:P/I:P/A:P

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.2 High

AI Score

Confidence

Low

0.003 Low

EPSS

Percentile

67.8%

Releases

  • Ubuntu 15.10
  • Ubuntu 15.04
  • Ubuntu 14.04 ESM
  • Ubuntu 12.04

Packages

  • openssh - secure shell (SSH) for secure access to remote machines

Details

It was discovered that the OpenSSH client experimental support for resuming
connections contained multiple security issues. A malicious server could
use this issue to leak client memory to the server, including private
client user keys.

4.6 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:S/C:P/I:P/A:P

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

7.2 High

AI Score

Confidence

Low

0.003 Low

EPSS

Percentile

67.8%