X.Org X11 fbShmPutImage() information disclosure

xorg-fbshmputimage-information-disclosure (43016) The risk level is classified as LowLow Risk

Description:

X.Org X11 could allow a local attacker to obtain sensitive information, caused by an integer overflow error in the fbShmPutImage() MIT-SHM extension function. An attacker could exploit this vulnerability using a specially-crafted Pixmap to read arbitrary memory and possibly launch further attacks against the system.

*CVSS:

Base Score: 2.1
  Access Vector: Local
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: None
  Availability Impact: None
 
Temporal Score: 1.6
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Obtain Information

Remedy:

Refer to X.Org security advisory june 2008 - Multiple vulnerabilities in X server extensions for patch, upgrade or suggested workaround information. See References.

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

References:

  • Apple Web site: About the security content of Security Update 2009-001 .
  • freedesktop.org FTP site: Index of ftp://ftp.freedesktop.org/pub/xorg/X11R7.3/patches.
  • HP Security Bulletin HPSBUX02381 SSRT080083 rev.1: HP-UX Running Xserver, Remote Execution of Arbitrary Code.
  • iDefense Labs PUBLIC ADVISORY: 06.11.08: Multiple Vendor X Server MIT-SHM Extension Information Disclosure Vulnerability.
  • Sun Alert ID: 238686: 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, Wed Jun 11 07:10:26 PDT 2008: X.Org security advisory june 2008 - Multiple vulnerabilities in X server extensions.
  • ASA-2008-246: XFree86 security update (RHSA-2008-0502)
  • ASA-2008-249: 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 238686)
  • ASA-2008-260: XFree86 security update (RHSA-2008-0512)
  • ASA-2008-274: xorg-x11 security update (RHSA-2008-0503)
  • ASA-2008-431: HPSBUX02381 SSRT080083 rev.1 - HP-UX Running Xserver Remote Execution of Arbitrary Code
  • BID-29669: X.Org X Server MIT-SHM Extension Information Disclosure Vulnerability
  • BID-29678: Sun Solaris 10 and OpenSolaris Unspecified Kernel Denial of Service Vulnerability
  • CVE-2008-1379: Integer overflow in the fbShmPutImage function in the MIT-SHM extension in the X server 1.4 in X.Org X11R7.3 allows context-dependent attackers to read arbitrary process memory via crafted values for a Pixmap width and height.
  • DSA-1595: xorg-server -- several vulnerabilities
  • GLSA-200806-07: X.Org X server: Multiple vulnerabilities
  • MDVSA-2008:115: Updated XFree86 packages fix several vulnerabilities
  • MDVSA-2008:116: Updated x11-server packages fix several vulnerabilities
  • MDVSA-2008:179: metisse
  • RHSA-2008-0502: Important: XFree86 security update
  • RHSA-2008-0503: Important: xorg-x11 security update
  • RHSA-2008-0504: Important: xorg-x11-server security update
  • RHSA-2008-0512: Important: XFree86 security update
  • SA30627: X.org X11 Multiple Vulnerabilities
  • SA30671: Sun Solaris X Server Extensions Multiple Vulnerabilities
  • SA30843: Avaya CMS / IR Solaris X Server Extensions Multiple Vulnerabilities
  • SA32545: HP-UX Xserver Multiple Vulnerabilities
  • SA33937: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
  • SECTRACK ID: 1020246: X ShmPutImage() Integer Overflow Lets Local Users and Remote Authenticated Users View Arbitrary Memory Contents
  • SECTRACK ID: 1020275: Solaris on UltraSPARC T2 and UltraSPARC T2+ Kernel Module Bug Lets Local Users Deny Service
  • SUSE-SA:2008:027: X.org security problems
  • SUSE-SR:2008:019: SUSE Security Summary Report
  • USN-616-1: X.org vulnerabilities
  • VUPEN/ADV-2008-1803: X.org X11 Local Integer Overflow and Memory Corruption Vulnerabilities
  • VUPEN/ADV-2008-1833: Sun Solaris X Server Extensions Code Execution and DoS Vulnerabilities
  • VUPEN/ADV-2008-1983: Avaya CMS and IR Solaris X Server Extensions Multiple Vulnerabilities
  • VUPEN/ADV-2008-3000: HP-UX Xserver Multiple Remote Code Execution Vulnerabilities

Platforms Affected:

  • Apple Mac OS X 10.4.11
  • Apple Mac OS X 10.5.6
  • Apple Mac OS X Server 10.4.11
  • Apple Mac OS X Server 10.5.6
  • Canonical Ubuntu 6.06 LTS
  • Canonical Ubuntu 7.04
  • Canonical Ubuntu 7.10
  • Canonical Ubuntu 8.04 LTS
  • Debian Debian Linux 4.0
  • Gentoo Linux
  • HP HP-UX B.11.11
  • MandrakeSoft Mandrake Linux 2007.1
  • MandrakeSoft Mandrake Linux 2007.1 X86_64
  • MandrakeSoft Mandrake Linux 2008.0
  • MandrakeSoft Mandrake Linux 2008.0 X86_64
  • MandrakeSoft Mandrake Linux 2008.1
  • MandrakeSoft Mandrake Linux 2008.1 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 OpenSUSE 10.2
  • Novell OpenSUSE 10.3
  • Novell SLE SDK 10 SP2
  • Novell SLE SDK 10 SP1
  • Novell SUSE Linux Enterprise Desktop 10 SP1
  • Novell SUSE Linux Enterprise Desktop 10 SP2
  • Novell SUSE Linux Enterprise Server 10 SP2
  • Novell SUSE Linux Enterprise Server 10 SP1
  • RedHat Enterprise Linux 2.1 AS
  • RedHat Enterprise Linux 2.1 ES
  • RedHat Enterprise Linux 2.1 WS
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4.6.z AS
  • RedHat Enterprise Linux 4.6.z ES
  • RedHat Enterprise Linux 5 Client
  • RedHat Enterprise Linux 5 Client Workstation
  • RedHat Enterprise Linux 5
  • RedHat Enterprise Linux 5.2.z EUS
  • RedHat Linux Advanced Workstation 2.1 Itanium
  • Sun OpenSolaris 2008.5 SPARC
  • Sun OpenSolaris 2008.5 x86
  • Sun Solaris 10 SPARC
  • Sun Solaris 10 x86
  • Sun Solaris 8 x86
  • Sun Solaris 8 SPARC
  • Sun Solaris 9 x86
  • Sun Solaris 9 SPARC
  • SuSE SuSE SLES 9
  • X.Org X11 R7.3

Reported:

Jun 11, 2008

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