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cveMitreCVE-2014-6054
HistoryOct 06, 2014 - 2:55 p.m.

CVE-2014-6054

2014-10-0614:55:11
CWE-189
mitre
web.nvd.nist.gov
79
nvd
cve-2014-6054
libvncserver
remote attackers
denial of service
divide-by-zero error
server crash

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

AI Score

7.8

Confidence

High

EPSS

0.886

Percentile

98.7%

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.

Affected configurations

Nvd
Node
libvncserverlibvncserverRange0.9.9
Node
debiandebian_linuxMatch7.0
Node
canonicalubuntu_linuxMatch12.04lts
OR
canonicalubuntu_linuxMatch14.04lts
VendorProductVersionCPE
libvncserverlibvncservercpe:/a:libvncserver:libvncserver::::

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

AI Score

7.8

Confidence

High

EPSS

0.886

Percentile

98.7%