Gentoo: GLSA 201006-08 Normal: nano Symlink Attack Risk
gentoo
June 1, 2010
Race conditions when editing files could lead to symlink attacks or changes of ownerships of important files.
Summary
Multiple race condition vulnerabilities have been discovered in nano. For further information please consult the CVE entries referenced below.
Topics Covered
Resolution
All nano users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-editors/nano-2.2.4"
References
[ 1 ] CVE-2010-1160 https://www.cve.org/CVERecord?id=CVE-2010-1160 [ 2 ] CVE-2010-1161 https://www.cve.org/CVERecord?id=CVE-2010-1161
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201006-08
style>.gentoo_availability{display:block;}
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 https://bugs.gentoo.org.
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Severity: Normal
Title: nano: Multiple vulnerabilities
Date: June 01, 2010
Bugs: #315355
ID: 201006-08
Topics Covered
Background
nano is a GNU GPL'd Pico clone with more functionality.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
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1 app-editors/nano < 2.2.4 >= 2.2.4
Impact
=====
Under certain conditions, a local, user-assisted attacker could
possibly overwrite arbitrary files via a symlink attack on an
attacker-owned file that is being edited by the victim, or change the
ownership of arbitrary files.
Workaround
There is no known workaround at this time.
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