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ubuntuUbuntuUSN-3171-1
HistoryJan 11, 2017 - 12:00 a.m.

LibVNCServer vulnerabilities

2017-01-1100:00:00
ubuntu.com
35

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

0.012 Low

EPSS

Percentile

85.6%

Releases

  • Ubuntu 16.10
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM
  • Ubuntu 12.04

Packages

  • libvncserver - vnc server library

Details

Josef Gajdusek discovered that the LibVNCServer client library incorrectly
handled certain FrameBufferUpdate messages. If a user were tricked into
connecting to a malicious server, an attacker could use this issue to cause
a denial of service, or possibly execute arbitrary code. (CVE-2016-9941,
CVE-2016-9942)

OSVersionArchitecturePackageVersionFilename
Ubuntu16.10noarchlibvncclient1< 0.9.10+dfsg-3ubuntu0.16.10.1UNKNOWN
Ubuntu16.10noarchlibvncclient1-dbg< 0.9.10+dfsg-3ubuntu0.16.10.1UNKNOWN
Ubuntu16.10noarchlibvncclient1-dbgsym< 0.9.10+dfsg-3ubuntu0.16.10.1UNKNOWN
Ubuntu16.10noarchlibvncserver-config< 0.9.10+dfsg-3ubuntu0.16.10.1UNKNOWN
Ubuntu16.10noarchlibvncserver-config-dbgsym< 0.9.10+dfsg-3ubuntu0.16.10.1UNKNOWN
Ubuntu16.10noarchlibvncserver-dev< 0.9.10+dfsg-3ubuntu0.16.10.1UNKNOWN
Ubuntu16.10noarchlibvncserver-dev-dbgsym< 0.9.10+dfsg-3ubuntu0.16.10.1UNKNOWN
Ubuntu16.10noarchlibvncserver1< 0.9.10+dfsg-3ubuntu0.16.10.1UNKNOWN
Ubuntu16.10noarchlibvncserver1-dbg< 0.9.10+dfsg-3ubuntu0.16.10.1UNKNOWN
Ubuntu16.10noarchlibvncserver1-dbgsym< 0.9.10+dfsg-3ubuntu0.16.10.1UNKNOWN
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1-10 of 351

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

AI Score

Confidence

High

0.012 Low

EPSS

Percentile

85.6%