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Home : Advisories : Vulnerability in elm 2.4 PL 24

Title: Vulnerability in elm 2.4 PL 24
Released by:
Date: 18th December 1995
Printable version: Click here
I. Description

Elm will follow symlinks in /tmp when opening temp files.  All systems that

support symlinks are vulnerable.  

All versions of elm prior to 2.4 PL 25 are vulnerable, including elm 2.3.

II. Impact

Users on the system can create files in the directories of other elm users.

You can determine what version of elm you are running with the -v command line

option (run "elm -v").

III. Solution

Upgrade to elm 2.4 PL 25.  The patch to upgrade from elm 2.4 PL 24 to PL 25

is available at:


MD5 (elm2.4.p25) = 5ec93595c7573be4d0cb4ce7097b6e83

The full distribution of elm 2.4 PL 25 is available at:


MD5 (elm2.4.tar.Z) = e5bdc4492a4931402c57ac9a8cf111b2

Here some alternative sites that have agreed to make elm available for

anonymous FTP. Not all have been verified. If you have difficulty reaching

a site, or if file is not there or has an incorrect checksum, please try

another site.

        Site                    Contact

        In the US/Canada:

        wuarchive.wustl.edu     chris@wugate.wustl.edu (Chris Myers)






        In Europe:

        ftp.cs.ruu.nl           Edwin Kremer, edwin@cs.ruu.nl



        ftp.th-darmstadt.de     ftpadmin@ftp.th-darmstadt.de



        ftp.th-darmstadt.de     ftpadmin@ftp.th-darmstadt.de



        In the UK:

        ftp.ecs.soton.ac.uk     T.Chown@ecs.soton.ac.uk (bitnet)

        (         T.Chown@uk.ac.soton.ecs (JANET)


        ftp.demon.co.uk         Cliff Stanford, cliff@demon.co.uk



        src.doc.ic.ac.uk        L.McLoughlin@doc.ic.ac.uk



        In Australia:

        ftp.adelaide.edu.au     Mark Prior, mrp@itd.adelaide.edu.au



        In Taiwan:

        NCTUCCCA.edu.tw         Huang, Chih-Hsien hch@NCTUCCCA.edu.tw



- - -- 

Bill Pemberton                           wfp5p@virginia.edu

ITC/Unix Systems                         flash@virginia.edu

University of Virginia                   uunet!virginia!wfp5p

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