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Bugtraq archives for 4th quarter (Oct-Dec) 1994: [8lgm]-Advisory-9.UNIX.urestore.10-Feb-1993

[8lgm]-Advisory-9.UNIX.urestore.10-Feb-1993

[8LGM] Security Team (8lgmbagpuss.demon.co.uk)
Mon, 28 Nov 1994 02:21:50 GMT 

This advisory has been sent to:

	comp.security.unix

	BUGTRAQ			<bugtraqfc.net>
	CERT/CC			<certcert.org>

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               [8lgm]-Advisory-9.UNIX.urestore.10-Feb-1993

PROGRAM:

	urestore(1)	

KNOWN VULNERABLE OS's:

	SVR4/i386 4.0.3
	Potentially any SVR4 including urestore(1)

DESCRIPTION:

	urestore(1) can be used to create or overwrite files anywhere
	on the filesystem.

IMPACT:

	Any user with access to urestore(1) can become root.

REPEAT BY:

        Exploit details will not be made available, until patches have
	been provided.
	
FIX:

	Contact your vendor for a fix.

WORKAROUND:

	In the meantime, limit access to urestore by changing mode on
	/sbin/restore.

FEEDBACK AND CONTACT INFORMATION:

        8lgm-bugsbagpuss.demon.co.uk           (To report security flaws)

        8lgm-requestbagpuss.demon.co.uk        (Mailing list additions -
						 processed automatically;
						 just send any message)

        8lgmbagpuss.demon.co.uk                (Everything else)

        System Administrators are encouraged to contact us for any
        other information they may require about the problems described
        in this advisory.

        We welcome reports about which platforms this flaw does or does
        not exist on.

        NB: 8lgm-bugsbagpuss.demon.co.uk is intended to be used by
        people wishing to report which platforms/OS's the bugs in our
        advisories are present on.  Please do *not* send information on
        other bugs to this address - report them to your vendor and/or
        comp.security.unix instead.

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8LGM FILESERVER:

	All [8LGM] advisories may be obtained via the [8LGM] fileserver.
	For details, 'echo help | mail 8lgm-fileserverbagpuss.demon.co.uk'
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