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Gentoo Linux Security Advisory GLSA 200704-23 |
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http://security.gentoo.org/ |
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Severity: High |
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Title: capi4k-utils: Buffer overflow |
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Date: April 27, 2007 |
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Bugs: #170870 |
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ID: 200704-23 |
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Synopsis |
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======== |
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|
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capi4k-utils is vulnerable to a buffer overflow in the bufprint() |
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function. |
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Background |
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========== |
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|
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capi4k-utils is a set of utilities for accessing COMMON-ISDN-API |
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software interfaces for ISDN devices. |
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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 net-dialup/capi4k-utils < 20050718-r3 >= 20050718-r3 |
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|
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Description |
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=========== |
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|
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The bufprint() function in capi4k-utils fails to properly check |
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boundaries of data coming from CAPI packets. |
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|
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Impact |
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====== |
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|
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A local attacker could possibly escalate privileges or cause a Denial |
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of Service by sending a crafted CAPI packet. |
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|
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All capi4k-utils users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=net-dialup/capi4k-utils-20050718-r3" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2007-1217 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=2007-1217 |
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|
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Availability |
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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-200704-23.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 2007 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 |
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