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Posted by LinuxSecurity.com Team
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The apcd package as shipped in Debian GNU/Linux 2.1 is vulnerable to a symlink attack. If the apcd process gets a SIGUSR1 signal it will dump its status to /tmp/upsstat. However this file is not opened safely, which makes it a good target for a symlink attack. This has been fixed in version 0.6a.nr-4slink1. We recommend you upgrade your apcd package immediately. |