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Message-ID: <41C0021E.3040004@gentoo.org> From: koon at gentoo.org (Thierry Carrez) Subject: [ GLSA 200412-09 ] ncpfs: Buffer overflow in ncplogin and ncpmap - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200412-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: ncpfs: Buffer overflow in ncplogin and ncpmap Date: December 15, 2004 Bugs: #72820 ID: 200412-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== ncpfs is vulnerable to a buffer overflow that could lead to local execution of arbitrary code with elevated privileges. Background ========== ncpfs is a NCP protocol network filesystem that allows access to Netware services, for example to mount volumes of NetWare servers or print to NetWare print queues. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-fs/ncpfs < 2.2.5 >= 2.2.5 Description =========== Karol Wiesek discovered a buffer overflow in the handling of the '-T' option in the ncplogin and ncpmap utilities, which are both installed as SUID root by default. Impact ====== A local attacker could trigger the buffer overflow by calling one of these utilities with a carefully crafted command line, potentially resulting in execution of arbitrary code with root privileges. Workaround ========== There is no known workaround at this time. Resolution ========== All ncpfs users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-fs/ncpfs-2.2.5" References ========== [ 1 ] Full Disclosure Advisory http://lists.netsys.com/pipermail/full-disclosure/2004-November/029563.html [ 2 ] CAN-2004-1079 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-1079 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200412-09.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 2004 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: signature.asc Type: application/pgp-signature Size: 189 bytes Desc: OpenPGP digital signature Url : http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20041215/33d98aae/signature-0001.bin
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