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Gentoo Linux Security Advisory GLSA 200607-03 |
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http://security.gentoo.org/ |
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|
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Severity: Normal |
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Title: libTIFF: Multiple buffer overflows |
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Date: July 09, 2006 |
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Bugs: #135881 |
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ID: 200607-03 |
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|
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|
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Synopsis |
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======== |
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|
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libTIFF contains buffer overflows that could result in arbitrary code |
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execution. |
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|
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Background |
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========== |
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|
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libTIFF provides support for reading and manipulating TIFF images. |
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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 media-libs/tiff < 3.8.2-r1 >= 3.8.2-r1 |
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|
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Description |
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=========== |
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|
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A buffer overflow has been found in the t2p_write_pdf_string function |
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in tiff2pdf, which can been triggered with a TIFF file containing a |
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DocumentName tag with UTF-8 characters. An additional buffer overflow |
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has been found in the handling of the parameters in tiffsplit. |
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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 entice a user to load a specially crafted TIFF |
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file, resulting in the possible execution of arbitrary code. |
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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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All libTIFF users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=media-libs/tiff-3.8.2-r1" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2006-2193 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2193 |
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[ 2 ] CVE-2006-2656 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2656 |
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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-200607-03.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 2006 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 |