Bug 480590 (CVE-2008-4770) - CVE-2008-4770 vnc: vncviewer insufficient encoding value validation in CMsgReader::readRect
Summary: CVE-2008-4770 vnc: vncviewer insufficient encoding value validation in CMsgRe...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2008-4770
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL: http://nvd.nist.gov/nvd.cfm?cvename=C...
Whiteboard:
Depends On: 481331 833987 471777 481328 481329 481330 1017870
Blocks:
TreeView+ depends on / blocked
 
Reported: 2009-01-19 11:10 UTC by Tomas Hoger
Modified: 2019-09-29 12:28 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2010-03-29 08:51:44 UTC


Attachments (Terms of Use)
Upstream patch (485 bytes, patch)
2009-01-19 11:14 UTC, Tomas Hoger
no flags Details | Diff


Links
System ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2009:0261 normal SHIPPED_LIVE Moderate: vnc security update 2009-02-11 17:07:48 UTC

Description Tomas Hoger 2009-01-19 11:10:40 UTC
Common Vulnerabilities and Exposures assigned an identifier CVE-2008-4770 to the following vulnerability:

The CMsgReader::readRect function in the VNC Viewer component in
RealVNC VNC Free Edition 4.0 through 4.1.2, Enterprise Edition E4.0
through E4.4.2, and Personal Edition P4.0 through P4.4.2 allows remote
VNC servers to execute arbitrary code via crafted RFB protocol data,
related to "encoding type."

References:
http://www.realvnc.com/pipermail/vnc-list/2008-November/059432.html
http://realvnc.com/products/free/4.1/release-notes.html
http://www.realvnc.com/products/upgrade.html
http://xforce.iss.net/xforce/xfdb/47937
http://www.securityfocus.com/bid/33263
http://sunsolve.sun.com/search/document.do?assetkey=1-26-248526-1

Comment 1 Tomas Hoger 2009-01-19 11:14:21 UTC
Created attachment 329323 [details]
Upstream patch

Diff of CMsgReader.cxx between 4.1.2 and 4.1.3.

Comment 11 Fedora Update System 2009-01-27 01:50:49 UTC
vnc-4.1.3-1.fc10 has been pushed to the Fedora 10 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 12 Fedora Update System 2009-01-27 01:51:38 UTC
vnc-4.1.3-1.fc9 has been pushed to the Fedora 9 stable repository.  If problems still persist, please make note of it in this bug report.


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