SB2011051002 - Multiple vulnerabilities in Vino

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Main Vulnerability Database SB2011051002

SB2011051002 - Multiple vulnerabilities in Vino

Published: May 10, 2011 Updated: August 11, 2020

Security Bulletin ID SB2011051002
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2011-0904)

The vulnerability allows a remote #AU# to perform service disruption.

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.


2) Buffer overflow (CVE-ID: CVE-2011-0905)

The vulnerability allows a remote #AU# to perform service disruption.

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 tight encoding is used, allows remote authenticated users to cause a denial of service (daemon crash) via crafted dimensions in a framebuffer update request that triggers an out-of-bounds read operation.


Remediation

Install update from vendor's website.

References