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Gentoo Linux Security Advisory GLSA 200408-10 |
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http://security.gentoo.org/ |
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Severity: Normal |
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Title: gv: Exploitable Buffer Overflow |
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Date: August 12, 2004 |
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Bugs: #59385 |
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ID: 200408-10 |
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Synopsis |
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======== |
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|
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gv contains an exploitable buffer overflow that allows an attacker to |
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execute arbitrary code. |
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|
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Background |
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========== |
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|
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gv is a PostScript and PDF viewer for X which provides a user interface |
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for the ghostscript interpreter. |
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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 app-text/gv <= 3.5.8-r3 >= 3.5.8-r4 |
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|
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Description |
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=========== |
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|
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gv contains a buffer overflow vulnerability where an unsafe sscanf() |
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call is used to interpret PDF and PostScript files. |
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|
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Impact |
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====== |
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|
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By enticing a user to view a malformed PDF or PostScript file an |
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attacker could execute arbitrary code with the permissions of the user |
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running gv. |
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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. All users are encouraged to |
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upgrade to the latest available version of gv. |
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|
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Resolution |
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========== |
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All gv users should upgrade to the latest version: |
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|
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# emerge sync |
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|
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# emerge -pv ">=app-text/gv-3.5.8-r4" |
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# emerge ">=app-text/gv-3.5.8-r4" |
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|
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References |
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========== |
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|
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[ 1 ] CAN-2002-0838 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0838 |
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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-200408-10.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 2004 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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http://creativecommons.org/licenses/by-sa/1.0 |
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