X.Org X11 TOG-CUP extension information disclosure

xorg-togcup-information-disclosure (39761) The risk level is classified as LowLow Risk

Description:

X.Org X11 could allow a remote attacker to obtain sensitive information, caused by an array index error in the ProcGetReservedColormapEntries() function within the TOG-CUP extension. If the X server is configured for TCP connections, a remote attacker could exploit this vulnerability to disclose arbitrary memory and other sensitive information.

*CVSS:

Base Score: 2.6
  Access Vector: Network
  Access Complexity: High
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: None
  Availability Impact: None
 
Temporal Score: 1.9
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of X.Org X11 (1.4 or later), available from the X.Org Foundation Web site. See References.

For Sun Solaris:
Refer to Sun Alert ID: 103200 for patch, upgrade, or suggested workaround information. See References.

For Mac OS X:
Apply Security Update 2008-002, available from the Apple Web site. See References.

For other distributions:
Apply the appropriate update for your system. See References.

References:

  • Apple Web site: About Security Update 2008-002.
  • ASA-2008-077: A Security Vulnerability in the Solaris X Window System (X(5)) PCF Font Handler May Lead to Execution of Arbitrary Code or a Denial of Service (DoS) Condition.
  • ASA-2008-078: Multiple Security Vulnerabilities in the Solaris X Server Extensions May Lead to a Denial of Service (DoS) Condition or Allow Execution of Arbitrary Code.
  • IBM Subscription service Bulletin 4136: AIX X server multiple vulnerabilities.
  • iDefense PUBLIC ADVISORY: 01.17.08: Multiple Vendor X Server TOG-CUP Extension Information Disclosure Vulnerability.
  • Sun Alert ID: 103200: Multiple Security Vulnerabilities in the Solaris X Server Extensions May Lead to a Denial of Service (DoS) Condition or Allow Execution of Arbitrary Code.
  • X.Org Foundation Web site: X.Org Wiki - Home.
  • X.Org Mailing List, Thu Jan 17 06:05:34 PST 2008: X.Org security advisory: multiple vulnerabilities in the X server.
  • ASA-2008-035: XFree86 security update (RHSA-2008-0029)
  • ASA-2008-036: xorg-x11 security update (RHSA-2008-0030)
  • ASA-2008-039: Multiple Security Vulnerabilities in the Solaris X Server Extensions May Lead to a Denial of Service (DoS) Condition or Allow Execution of Arbitrary Code
  • ASA-2008-078: Multiple Security Vulnerabilities in the Solaris X Server Extensions May Lead to a Denial of Service (DoS) Condition or Allow Execution of Arbitrary Code (Sun 200153)
  • BID-27336: RETIRED: X.Org X Server Local Privilege Escalation and Information Disclosure Vulnerabilities
  • BID-27355: X.Org X Server 'TOG-CUP' Extension Local Privilege Escalation Vulnerability
  • CVE-2007-6428: The ProcGetReservedColormapEntries function in the TOG-CUP extension in X.Org Xserver before 1.4.1 allows context-dependent attackers to read the contents of arbitrary memory locations via a request containing a 32-bit value that is improperly used as an array index.
  • DSA-1466: xorg-server -- several vulnerabilities
  • GLSA-200801-09: X.Org X server and Xfont library: Multiple vulnerabilities
  • GLSA-200805-07: Linux Terminal Server Project: Multiple vulnerabilities
  • MDVSA-2008:021: Updated XFree86 packages fix multiple vulnerabilities
  • MDVSA-2008:022: Updated xorg-x11 packages fix multiple vulnerabilities
  • MDVSA-2008:023: Updated x11-server packages fix multiple vulnerabilities
  • MDVSA-2008:025: Updated x11-server-xgl packages fix multiple vulnerabilities
  • RHSA-2008-0029: Important: XFree86 security update
  • RHSA-2008-0030: Important: xorg-x11 security update
  • RHSA-2008-0031: Important: xorg-x11-server security update
  • SA28532: X.org X11 Multiple Vulnerabilities
  • SA28550: Sun Solaris X Window System and X Server Multiple Vulnerabilities
  • SA28693: Avaya CMS Solaris X Window System and X Server Multiple Vulnerabilities
  • SA28885: NX Server X11 Multiple Vulnerabilities
  • SA28941: Avaya CMS Sun Solaris X Window System and X Server Vulnerabilities
  • SA29139: IBM AIX X Server Multiple Vulnerabilities
  • SA29420: Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SA30161: Gentoo ltsp Multiple Vulnerabilities
  • SECTRACK ID: 1019232: X Server Bugs in XFree86, Xinput, TOG-CUP, MIT-SHM, and EVI Extensions Let Local Users Gain Root Privileges
  • SUSE-SA:2008:003: Xorg Security Problems
  • SUSE-SR:2008:003: SUSE Security Summary Report
  • SUSE-SR:2008:008: SUSE Security Summary Advisory
  • USN-571-1: X.org vulnerabilities
  • USN-571-2: X.org regression

Platforms Affected:

  • Apple Mac OS X 10.4.11
  • Apple Mac OS X 10.5.2
  • Apple Mac OS X Server 10.4.11
  • Apple Mac OS X Server 10.5.2
  • Avaya Call Management System 12
  • Avaya Call Management System 13
  • Avaya Call Management System 13.1
  • Avaya Call Management System 14
  • Avaya Interactive Response 2.0
  • Avaya Interactive Response 3.0
  • Canonical Ubuntu 6.06 LTS
  • Canonical Ubuntu 6.10
  • Canonical Ubuntu 7.04
  • Canonical Ubuntu 7.10
  • Debian Debian Linux 3.1
  • Debian Debian Linux 4.0
  • Gentoo Linux
  • IBM AIX 5.2
  • IBM AIX 5.3
  • IBM AIX 6.1
  • MandrakeSoft Mandrake Linux 2007 X86_64
  • MandrakeSoft Mandrake Linux 2007
  • MandrakeSoft Mandrake Linux 2007.1 X86_64
  • MandrakeSoft Mandrake Linux 2007.1
  • MandrakeSoft Mandrake Linux 2008.0
  • MandrakeSoft Mandrake Linux 2008.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 4.0
  • MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
  • Novell Linux Desktop 9
  • Novell Linux POS 9
  • Novell Open Enterprise Server
  • Novell Open Enterprise Server
  • Novell OpenSUSE 10.2
  • Novell OpenSUSE 10.3
  • Novell SLE SDK 10
  • Novell SLE SDK 10 SP1
  • Novell SUSE Linux Enterprise Desktop 10 SP1
  • Novell SUSE Linux Enterprise Server 10
  • Novell SUSE Linux Enterprise Server 10 SP1
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4.6.z AS
  • RedHat Enterprise Linux 4.6.z ES
  • RedHat Enterprise Linux 5
  • RedHat Enterprise Linux 5 Client
  • RedHat Enterprise Linux 5 Client Workstation
  • RedHat Enterprise Linux 5.1.z EUS
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • Sun Solaris 10 x86
  • Sun Solaris 10 SPARC
  • Sun Solaris 8 x86
  • Sun Solaris 8 SPARC
  • Sun Solaris 9 x86
  • Sun Solaris 9 SPARC
  • SUSE SuSE Linux 9.0
  • SuSE SuSE SLES 9
  • X.Org X11 R7.3

Reported:

Jan 17, 2008

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