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Gentoo Linux Security Advisory GLSA 200512-15 |
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http://security.gentoo.org/ |
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Severity: High |
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Title: rssh: Privilege escalation |
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Date: December 27, 2005 |
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Bugs: #115082 |
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ID: 200512-15 |
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Synopsis |
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======== |
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Local users could gain root privileges by chrooting into arbitrary |
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directories. |
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Background |
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========== |
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|
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rssh is a restricted shell, allowing only a few commands like scp or |
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sftp. It is often used as a complement to OpenSSH to provide limited |
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access to users. |
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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 app-shells/rssh < 2.3.0 >= 2.3.0 |
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Description |
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=========== |
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|
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Max Vozeler discovered that the rssh_chroot_helper command allows local |
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users to chroot into arbitrary directories. |
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Impact |
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====== |
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A local attacker could exploit this vulnerability to gain root |
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privileges by chrooting into arbitrary directories. |
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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 rssh users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-shells/rssh-2.3.0" |
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References |
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========== |
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[ 1 ] CVE-2005-3345 |
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http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3345 |
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[ 2 ] rssh security announcement |
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http://www.pizzashack.org/rssh/security.shtml |
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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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http://security.gentoo.org/glsa/glsa-200512-15.xml |
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Concerns? |
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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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License |
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======= |
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Copyright 2005 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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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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http://creativecommons.org/licenses/by-sa/2.0 |
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