[ GLSA 201006-08 ] nano: Multiple vulnerabilities

[GLSA]

Gentoo Linux Security Advisory

Title: nano: Multiple vulnerabilities (GLSA 201006-08)
Severity: normal
Exploitable: local
Date: June 01, 2010
Bug(s): #315355
ID: 201006-08

Synopsis


Race conditions when editing files could lead to symlink attacks or changes
of ownerships of important files.


Background


nano is a GNU GPL'd Pico clone with more functionality.


Affected Packages

Package: app-editors/nano
Vulnerable: < 2.2.4
Unaffected: >= 2.2.4
Architectures: All supported architectures


Description


Multiple race condition vulnerabilities have been discovered in nano.
For further information please consult the CVE entries referenced
below.


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.


Resolution


All nano users should upgrade to the latest version: