GLSA 201209-19: NUT: Arbitrary code execution
| Severity: | high |
| Title: | NUT: Arbitrary code execution |
| Date: | 09/27/2012 |
| Bugs: | |
| 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 | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| sys-power/nut | < 2.6.3 | >= 2.6.3 | 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:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-power/nut-2.6.3"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
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.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.