Multiple X servers fail to properly allocate memory for large pixmaps

2005-09-13T00:00:00
ID VU:102441
Type cert
Reporter CERT
Modified 2005-11-03T14:41:00

Description

Overview

Multiple X Window System servers contain a pixmap memory allocation flaw that may allow local users to execute code with elevated privileges.

Description

Multiple X Window System server applications share code that may contain a flaw in the memory allocation for large pixmaps. The affected products include the X.Org and XFree86 X server applications, possibly among others.

An integer overflow condition may result in a memory allocation request returning an allocated region that is incorrectly sized. The client may then be able to use theXDrawPoint() and XGetImage() functions to read and write to arbitrary locations in the X server's address space.


Impact

A malicious local authenticated attacker may be able to execute arbitrary code with the privileges of the X server.


Solution

Apply an update
Contact your vendor for updates, fixes, and workarounds.


Vendor Information

102441

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Debian Linux __ Affected

Notified: September 07, 2005 Updated: September 19, 2005

Status

Affected

Vendor Statement

The Debian distribution is vulnerable by this problem.

For the old stable distribution (woody) this problem has been fixed in
version 4.1.0-16woody7.

For the stable distribution (sarge) this problem has been fixed in
version 4.3.0.dfsg.1-14sarge1.

For the unstable distribution (sid) this problem has been fixed in
version 6.8.2.dfsg.1-7 of X.Org.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Fedora Project __ Affected

Updated: September 19, 2005

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see the security advisories for Fedora Core 3 and Fedora Core 4.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Gentoo Linux __ Affected

Updated: September 19, 2005

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see the Gentoo security advisory for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Mandriva, Inc. __ Affected

Notified: September 07, 2005 Updated: September 19, 2005

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see the Mandriva security advisory for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Red Hat, Inc. __ Affected

Notified: September 07, 2005 Updated: September 29, 2005

Status

Affected

Vendor Statement

`Updated XFree86 packages (for Red Hat Enterprise Linux 2.1 and 3) and updated X.org packages (for Red Hat Enterprise Linux 4) to correct this issue are available at the URL below and by using the Red Hat Network
'up2date' tool.

[http://rhn.redhat.com/errata/CAN-2005-2495.html`](<http://rhn.redhat.com/errata/CAN-2005-2495.html>)

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see the RedHat security advisory for XFree86 and X.Org for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

SUSE Linux __ Affected

Notified: September 07, 2005 Updated: September 26, 2005

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see SUSE-SA:2005:056 for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Slackware Linux Inc. __ Affected

Updated: September 26, 2005

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see the Slackware security advisory for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Trustix Secure Linux __ Affected

Updated: September 19, 2005

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see the Trustix security advisory for more details.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Hitachi __ Not Affected

Notified: September 07, 2005 Updated: September 19, 2005

Status

Not Affected

Vendor Statement

Hitachi HI-UX/M and HI-UX/WE2 are NOT Vulnerable to this issue.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Apple Computer, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Cray Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

EMC, Inc. (formerly Data General Corporation) Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Engarde Secure Linux Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

F5 Networks, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

FreeBSD, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Fujitsu Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Hewlett-Packard Company Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

IBM Corporation Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

IBM Corporation (zseries) Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

IBM eServer Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Immunix Communications, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Ingrian Networks, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Juniper Networks, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Mandriva, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Microsoft Corporation Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

MontaVista Software, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

NEC Corporation Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

NetBSD Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Novell, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

OpenBSD Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Openwall GNU/*/Linux Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

QNX, Software Systems, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Sequent Computer Systems, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Silicon Graphics, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Sony Corporation Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Sun Microsystems, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

The SCO Group (SCO Linux) Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

The SCO Group (SCO Unix) Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Turbolinux Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Unisys Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Wind River Systems, Inc. Unknown

Notified: September 07, 2005 Updated: September 07, 2005

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

xFree86 (distributor of free implementations of X) __ Unknown

Notified: September 07, 2005 Updated: November 03, 2005

Status

Unknown

Vendor Statement

XFree86 has a patch available for this vulnerability at:

<ftp://ftp.xfree86.org/4.5.0/fixes/fix-01>

This patch is included in XFree86 development snapshots 4.5.99.12 and later. The patch was developed by Marc La France.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

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CVSS Metrics

Group | Score | Vector
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Base | |
Temporal | |
Environmental | |

References

  • <https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=166859>
  • <https://bugs.freedesktop.org/show_bug.cgi?id=594>
  • <http://secunia.com/advisories/16777/>
  • <http://secunia.com/advisories/16790/>
  • <https://rhn.redhat.com/errata/RHSA-2005-329.html>

Acknowledgements

Thanks to Luke Hutchison and Søren Sandmann Pedersen for reporting this vulnerability.

This document was written by Ken MacInnis.

Other Information

CVE IDs: | CVE-2005-2495
---|---
Severity Metric: | 7.43
Date Public: | 2005-09-12
Date First Published: | 2005-09-13
Date Last Updated: | 2005-11-03 14:41 UTC
Document Revision: | 38