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[ GLSA 201209-19 ] NUT: Arbitrary code execution
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GLSA
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PostPosted: Thu Sep 27, 2012 8:26 pm    Post subject: [ GLSA 201209-19 ] NUT: Arbitrary code execution Reply with quote

Gentoo Linux Security Advisory

Title: NUT: Arbitrary code execution (GLSA 201209-19)
Severity: high
Exploitable: remote
Date: September 27, 2012
Bug(s): #419377
ID: 201209-19

Synopsis

A buffer overflow in NUT might allow remote attackers to execute
arbitrary code.


Background

The Network UPS Tools (NUT) provide support for power devices.

Affected Packages

Package: sys-power/nut
Vulnerable: < 2.6.3
Unaffected: >= 2.6.3
Architectures: All supported architectures


Description

An error in the addchar() function in parseconf.c may cause a buffer
overflow.


Impact

A remote attacker could send a specially crafted string to upsd,
possibly resulting in execution of arbitrary code with the privileges of
the process or a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All NUT users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-power/nut-2.6.3"
   


References

CVE-2012-2944


Last edited by GLSA on Tue Mar 04, 2014 4:32 am; edited 2 times in total
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