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RE: [cobalt-users] Re: Also New pkg RaQ3-All-Security-5.0.1-15673.pkg
- Subject: RE: [cobalt-users] Re: Also New pkg RaQ3-All-Security-5.0.1-15673.pkg
- From: "Tom Nelson" <tom@xxxxxxxxxxxxx>
- Date: Sun Jan 12 17:31:00 2003
- List-id: Mailing list for users to share thoughts on Sun Cobalt products. <cobalt-users.list.cobalt.com>
Ahhhhh,
Searched Google, and here is what I found on RedHat...
<<<<
Security Advisory
Details:
A locally exploitable vulnerability is present in the util-linux package
shipped with Red Hat Linux
The util-linux package contains a large variety of low-level system
utilities that are necessary for a Linux system to function. The 'chfn'
utility included in this package allows users to modify personal
information stored in the system-wide password file, /etc/passwd. In order
to modify this file, this application is installed setuid root.
Under certain conditions, a carefully crafted attack sequence can be
performed to exploit a complex file locking and modification race present
in this utility allowing changes to be made to /etc/passwd.
In order to successfully exploit the vulnerability and perform privilege
escalation there is a need for a minimal administrator interaction.
Additionally, the password file must be over 4 kilobytes, and the local
attackers entry must not be in the last 4 kilobytes of the password file.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2002-0638 to this issue.
An interim workaround is to remove setuid flags from /usr/bin/chfn and
/usr/bin/chsh. All users of Red Hat Linux should update to the errata
util-linux packages which contain a patch to correct this vulnerability.
Many thanks to Michal Zalewski of Bindview for alerting us to this issue.
>>>>
Thank you,
looks like we should run this pkg?
It seems to be a 'low-level system utilities' update...
See the link below
http://rpmfind.net/linux/RPM/redhat/updates/7.0/alpha/util-linux-2.10m-12.7.
0.alpha.html
or make a search on Google to : util-linux-2.10m
Don't know if it's really needed....
Jean
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