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Gentoo Linux Security Advisory GLSA 200802-02 |
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http://security.gentoo.org/ |
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Severity: High |
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Title: Doomsday: Multiple vulnerabilities |
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Date: February 06, 2008 |
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Bugs: #190835 |
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ID: 200802-02 |
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Synopsis |
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======== |
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|
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Multiple vulnerabilities in Doomsday might allow remote execution of |
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arbitrary code or a Denial of Service. |
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|
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Background |
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========== |
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|
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The Doomsday Engine (deng) is a modern gaming engine for popular ID |
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games like Doom, Heretic and Hexen. |
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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 games-fps/doomsday <= 1.9.0-beta5.2 Vulnerable! |
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------------------------------------------------------------------- |
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NOTE: Certain packages are still vulnerable. Users should migrate |
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to another package if one is available or wait for the |
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existing packages to be marked stable by their |
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architecture maintainers. |
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------------------------------------------------------------------- |
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------------------------------------------------------------------- |
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NOTE: Packages marked with asterisks require manual intervention! |
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|
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Description |
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=========== |
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|
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Luigi Auriemma discovered multiple buffer overflows in the |
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D_NetPlayerEvent() function, the Msg_Write() function and the |
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NetSv_ReadCommands() function. He also discovered errors when handling |
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chat messages that are not NULL-terminated (CVE-2007-4642) or contain a |
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short data length, triggering an integer underflow (CVE-2007-4643). |
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Furthermore a format string vulnerability was discovered in the |
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Cl_GetPackets() function when processing PSV_CONSOLE_TEXT messages |
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(CVE-2007-4644). |
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|
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Impact |
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====== |
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|
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A remote attacker could exploit these vulnerabilities to execute |
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arbitrary code with the rights of the user running the Doomsday server |
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or cause a Denial of Service by sending specially crafted messages to |
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the server. |
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|
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Workaround |
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========== |
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|
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There is no known workaround at this time. |
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|
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Resolution |
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========== |
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|
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While some of these issues could be resolved in |
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"games-fps/doomsday-1.9.0-beta5.2", the format string vulnerability |
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(CVE-2007-4644) remains unfixed. We recommend that users unmerge |
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Doomsday: |
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|
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# emerge --unmerge games-fps/doomsday |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2007-4642 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4642 |
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[ 2 ] CVE-2007-4643 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4643 |
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[ 3 ] CVE-2007-4644 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4644 |
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|
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Availability |
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============ |
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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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|
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http://security.gentoo.org/glsa/glsa-200802-02.xml |
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|
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Concerns? |
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========= |
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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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|
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License |
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======= |
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|
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Copyright 2008 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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