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Message-ID: <20050620032254.GB14636@tomservo> Date: Sun Jul 17 14:01:17 2005 From: lewk at gentoo.org (Luke Macken) Subject: [gentoo-announce] [ GLSA 200506-16 ] cpio: Directory traversal vulnerability - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200506-16 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: cpio: Directory traversal vulnerability Date: June 20, 2005 Bugs: #90619 ID: 200506-16 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== cpio contains a flaw which may allow a specially crafted cpio archive to extract files to an arbitrary directory. Background ========== cpio is a file archival tool which can also read and write tar files. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-arch/cpio < 2.6-r3 >= 2.6-r3 Description =========== A vulnerability has been found in cpio that can potentially allow a cpio archive to extract its files to an arbitrary directory of the creator's choice. Impact ====== An attacker could create a malicious cpio archive which would create files in arbitrary locations on the victim's system. This issue could also be used in conjunction with a previous race condition vulnerability (CAN-2005-1111) to change permissions on files owned by the victim. Workaround ========== There is no known workaround at this time. Resolution ========== All cpio users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/cpio-2.6-r3" References ========== [ 1 ] Original Advisory http://www.securityfocus.com/archive/1/396429 [ 2 ] CAN-2005-1111 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1111 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200506-16.xml Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@...too.org or alternatively, you may file a bug at http://bugs.gentoo.org. License ======= Copyright 2005 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.0 -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available Url : http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20050717/d629c361/attachment.bin
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