Security Advisory SA44463 - Vino Framebuffer Update Handling Denial of Service Vulnerability

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Secunia Advisory SA44463

Vino Framebuffer Update Handling Denial of Service Vulnerability

Secunia Advisory

SA44463

Release Date

2011-05-03

Popularity

2,015 views

Comments

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Criticality level

Less critical

Impact

DoS

Where

From remote

Authentication level

This information is available to Secunia VIM customers

Report reliability

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Solution Status

Vendor Workaround

Systems affected

This information is available to Secunia VIM customers

Approve distribution

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Software:

Vino 2.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2011-0904 CVSS score available to Secunia VIM customers
CVE-2011-0905 CVSS score available to Secunia VIM customers

Description

A vulnerability has been reported in Vino, which can be exploited by malicious users to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the "rfbSendFramebufferUpdate()" function in server/libvncserver/rfbserver.c when handling client framebuffer update requests. This can be exploited to cause a crash via a specially crafted framebuffer update request packet.

Solution
Fixed in the GIT repository.
Further details available to Secunia VIM customers

Provided and/or discovered by
Reported by Kevin in a GNOME bug.

Original Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=641802

Deep Links
Links available to Secunia VIM customers

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Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Vino Framebuffer Update Handling Denial of Service Vulnerability

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Secunia Advisory SA44463

Vino Framebuffer Update Handling Denial of Service Vulnerability

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