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Gentoo Linux Security Advisory GLSA 200901-04 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: D-Bus: Denial of Service |
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Date: January 11, 2009 |
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Bugs: #240308 |
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ID: 200901-04 |
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Synopsis |
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======== |
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|
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An error condition can cause D-Bus to crash. |
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Background |
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========== |
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D-Bus is a daemon providing a framework for applications to communicate |
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with one another. |
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|
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 sys-apps/dbus < 1.2.3-r1 >= 1.2.3-r1 |
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Description |
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=========== |
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|
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schelte reported that the dbus_signature_validate() function can |
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trigger a failed assertion when processing a message containing a |
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malformed signature. |
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Impact |
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====== |
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A local user could send a specially crafted message to the D-Bus |
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daemon, leading to a Denial of Service. |
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All D-Bus users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=sys-apps/dbus-1.2.3-r1" |
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References |
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========== |
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[ 1 ] CVE-2008-3834 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3834 |
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|
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Availability |
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============ |
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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http://security.gentoo.org/glsa/glsa-200901-04.xml |
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Concerns? |
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========= |
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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http://bugs.gentoo.org. |
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License |
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======= |
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Copyright 2009 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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|
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http://creativecommons.org/licenses/by-sa/2.5 |
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