Bug 91134 - CAN-2002-0164+ XFree86 vulnerabilities
CAN-2002-0164+ XFree86 vulnerabilities
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 2.1
Classification: Red Hat
Component: XFree86 (Show other bugs)
2.1
All Linux
medium Severity medium
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Assigned To: Mike A. Harris
David Lawrence
: Security
Depends On:
Blocks:
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Reported: 2003-05-19 04:31 EDT by Mark J. Cox (Product Security)
Modified: 2007-11-30 17:06 EST (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2003-07-09 06:46:44 EDT
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Description Mark J. Cox (Product Security) 2003-05-19 04:31:53 EDT
There are a number of vulnerabilities that affect the version of XFree86
supplied with Enterprise Linux.  An update, RHSA-2003:065, is being worked on
and packages available for QA this week.

CAN-2002-0164
        A vulnerability in the MIT-SHM extension of the X server allows
        local users to read and write arbitrary shared memory, to
        cause a denial of service or gain privileges.  Fixed, but it was an    
        incomplete fix - for the case where the X server is started
        from xdm which was not handled.  A more complete patch was
        made available.

CAN-2002-1510
        XDM restrictions bypassed by non existent directory
        http://www.xfree86.org/pipermail/cvs-commit/2001-October/003140.html

        It is fixed in the upstream 4.2.0 tarball

CAN-2003-0063
        xterm contains escape sequence to report current window title.

CAN-2003-0071
        Possible to lock up xterm with corrupt DEC UDK sequence, Thomas
        Dickey says it affects all versions, my initial analysis was
        wrong
Comment 1 Mark J. Cox (Product Security) 2003-07-09 06:46:44 EDT
These were fixed by 
http://rhn.redhat.com/errata/RHSA-2003-065.html

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