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Bug 114902 - CAN-2004-0083 XFree86 font.alias overflow
CAN-2004-0083 XFree86 font.alias overflow
Product: Red Hat Enterprise Linux 2.1
Classification: Red Hat
Component: XFree86 (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Mike A. Harris
David Lawrence
: Security
Depends On:
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Reported: 2004-02-04 05:10 EST by Mark J. Cox (Product Security)
Modified: 2007-11-30 17:06 EST (History)
0 users

See Also:
Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2004-02-13 16:09:48 EST
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RHEL 7.3 requirements from Atomic Host:

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Description Mark J. Cox (Product Security) 2004-02-04 05:10:05 EST
Reported to Red Hat by XFree86 on 2004Feb03 via

A malicious user may craft a malformed 'font.alias' file causing a
buffer overflow upon parsing, which could lead to execution of
arbitrary code as root on the server.

Embargoed.  No date for public notification set; CVE applied for.

Patch available.  Last update was RHSA-2003:289.  Will be backported
to 4.1.0.  Errata in progress.
Comment 1 Mark J. Cox (Product Security) 2004-02-06 05:07:22 EST
CAN-2004-0083, embargo lifts on Feb11
Comment 4 Mark J. Cox (Product Security) 2004-02-12 08:10:48 EST
Subsequently, iDefense found another issue in the same routine with
the same consequences which has been given CVE name CAN-2004-0083.

Additionally David Dawes discovered additional flaws in reading font
files. The Common Vulnerabilities and Exposures project
( has assigned the name CAN-2004-0106 to these issues.
Comment 5 Mike A. Harris 2004-02-12 11:19:50 EST
>Subsequently, iDefense found another issue in the same routine with
>the same consequences which has been given CVE name CAN-2004-0083.

That's a typo, the second issue is CAN-2004-0084.
Comment 6 Mark J. Cox (Product Security) 2004-02-13 16:09:48 EST
An errata has been issued which should help the problem described in this bug report. 
This report is therefore being closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files, please follow the link below. You may reopen 
this bug report if the solution does not work for you.

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