Vulnerability Monitor

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CVE-2014-6054

The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.

Published

2014-10-06T14:55:11.643

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-189
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application libvncserver libvncserver ≤ 0.9.9 Yes
Operating System debian debian_linux 7.0 Yes
Operating System canonical ubuntu_linux 12.04 Yes
Operating System canonical ubuntu_linux 14.04 Yes
References