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[ GLSA 200501-30 ] CUPS: Stack overflow in included Xpdf code
From: Thierry Carrez <koon () gentoo org>
Date: Sat, 22 Jan 2005 10:22:27 +0100
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200501-30 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: CUPS: Stack overflow in included Xpdf code Date: January 22, 2005 Bugs: #78249 ID: 200501-30 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== CUPS includes Xpdf code and therefore is vulnerable to the recent stack overflow issue, potentially resulting in the remote execution of arbitrary code. Background ========== The Common UNIX Printing System (CUPS) is a cross-platform print spooler. It makes use of Xpdf code to handle PDF files. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-print/cups < 1.1.23-r1 >= 1.1.23-r1 Description =========== The Decrypt::makeFileKey2 function in Xpdf's Decrypt.cc insufficiently checks boundaries when processing /Encrypt /Length tags in PDF files (GLSA 200501-28). Impact ====== This issue could be exploited by a remote attacker to execute arbitrary code by sending a malicious print job to a CUPS spooler. Workaround ========== There is no known workaround at this time. Resolution ========== All CUPS users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-print/cups-1.1.23-r1" References ========== [ 1 ] CAN-2005-0064 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0064 [ 2 ] GLSA 200501-28 http://www.gentoo.org/security/en/glsa/glsa-200501-28.xml Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200501-30.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 () gentoo 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
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- [ GLSA 200501-30 ] CUPS: Stack overflow in included Xpdf code Thierry Carrez (Jan 22)