CVE-2010-1161

Severity: low (CVSS 3.7 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-04-16 · updated 2026-06-16
Weakness: CWE-362

Description

Race condition in GNU nano before 2.2.4, when run by root to edit a file that is not owned by root, allows local user-assisted attackers to change the ownership of arbitrary files via vectors related to the creation of backup files.

Affected products

GNU Nano: through 2.2.3; 0.5.0, 0.5.1, 0.5.2, 0.5.3, 0.5.4, 0.5.5 (+134)

References

http://drosenbe.blogspot.com/2010/03/nano-as-root.html
http://lists.gnu.org/archive/html/nano-devel/2010-04/msg00000.html
http://secunia.com/advisories/39444
http://svn.savannah.gnu.org/viewvc/trunk/nano/ChangeLog?revision=4503&root=nano&view=markup
http://www.openwall.com/lists/oss-security/2010/04/14/4
http://www.securitytracker.com/id?1023891
http://drosenbe.blogspot.com/2010/03/nano-as-root.html
http://lists.gnu.org/archive/html/nano-devel/2010-04/msg00000.html
http://secunia.com/advisories/39444
http://svn.savannah.gnu.org/viewvc/trunk/nano/ChangeLog?revision=4503&root=nano&view=markup
http://www.openwall.com/lists/oss-security/2010/04/14/4
http://www.securitytracker.com/id?1023891

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