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ubuntuUbuntuUSN-3618-1
HistoryApr 04, 2018 - 12:00 a.m.

LibVNCServer vulnerability

2018-04-0400:00:00
ubuntu.com
31

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

9.4 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.013 Low

EPSS

Percentile

85.4%

Releases

  • Ubuntu 17.10
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • libvncserver - vnc server library

Details

It was discovered that LibVNCServer incorrectly handled certain packet
lengths. A remote attacker able to connect to a LibVNCServer could possibly
use this issue to obtain sensitive information, cause a denial of service,
or execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu17.10noarchlibvncclient1< 0.9.11+dfsg-1ubuntu0.1UNKNOWN
Ubuntu17.10noarchlibvncclient1-dbg< 0.9.11+dfsg-1ubuntu0.1UNKNOWN
Ubuntu17.10noarchlibvncserver-config< 0.9.11+dfsg-1ubuntu0.1UNKNOWN
Ubuntu17.10noarchlibvncserver-dev< 0.9.11+dfsg-1ubuntu0.1UNKNOWN
Ubuntu17.10noarchlibvncserver1< 0.9.11+dfsg-1ubuntu0.1UNKNOWN
Ubuntu17.10noarchlibvncserver1-dbg< 0.9.11+dfsg-1ubuntu0.1UNKNOWN
Ubuntu16.04noarchlibvncserver1< 0.9.10+dfsg-3ubuntu0.16.04.2UNKNOWN
Ubuntu16.04noarchlibvncclient1< 0.9.10+dfsg-3ubuntu0.16.04.2UNKNOWN
Ubuntu16.04noarchlibvncclient1-dbg< 0.9.10+dfsg-3ubuntu0.16.04.2UNKNOWN
Ubuntu16.04noarchlibvncclient1-dbgsym< 0.9.10+dfsg-3ubuntu0.16.04.2UNKNOWN
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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

9.4 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.013 Low

EPSS

Percentile

85.4%