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ubuntucveUbuntu.comUB:CVE-2011-0904
HistoryMay 02, 2011 - 12:00 a.m.

CVE-2011-0904

2011-05-0200:00:00
ubuntu.com
ubuntu.com
13

3.5 Low

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.011 Low

EPSS

Percentile

84.4%

The rfbSendFramebufferUpdate function in server/libvncserver/rfbserver.c in
vino-server in Vino 2.x before 2.28.3, 2.32.x before 2.32.2, 3.0.x before
3.0.2, and 3.1.x before 3.1.1, when raw encoding is used, allows remote
authenticated users to cause a denial of service (daemon crash) via a large
(1) X position or (2) Y position value in a framebuffer update request that
triggers an out-of-bounds memory access, related to the rfbTranslateNone
and rfbSendRectEncodingRaw functions.

Bugs

Notes

Author Note
mdeslaur code doesn’t seem present in kdenetwork in lucid and maverick turns out libvncserver and kdenetwork aren’t vulnerable
OSVersionArchitecturePackageVersionFilename
ubuntu8.04noarchvino< 2.22.2-0ubuntu1.1UNKNOWN
ubuntu10.04noarchvino< 2.28.2-0ubuntu2.1UNKNOWN
ubuntu10.10noarchvino< 2.32.0-0ubuntu1.2UNKNOWN
ubuntu11.04noarchvino< 2.32.1-0ubuntu2.1UNKNOWN

3.5 Low

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.011 Low

EPSS

Percentile

84.4%