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OpenServer 5.0.6 OpenServer 5.0.7 : OpenSSL Multiple Vulnerabilities
From: please_reply_to_security () sco com
Date: Fri, 30 Jul 2004 13:27:33 -0700 (PDT)


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______________________________________________________________________________

                        SCO Security Advisory

Subject:                OpenServer 5.0.6 OpenServer 5.0.7 : OpenSSL Multiple Vulnerabilities
Advisory number:        SCOSA-2004.10
Issue date:             2004 July 29
Cross reference:        sr890284 fz529412 erg712603 TA04-078A VU#288574 VU#465542 CAN-2004-0079 CAN-2004-0081 
CAN-2004-0112
______________________________________________________________________________


1. Problem Description

        OpenSSL implements the Secure Sockets Layer (SSL) and
        Transport Layer Security (TLS) protocols and includes a
        general purpose cryptographic library. SSL and TLS are
        commonly used to provide authentication, encryption,
        integrity, and non-repudiation services to network 
        applications including HTTP, IMAP, POP3, SMTP, and LDAP. 

        The U.K. National Infrastructure Security Co-ordination 
        Centre (NISCC) and the OpenSSL Project have reported several
        vulnerabilities in the OpenSSL SSL/TLS library (libssl). 
        Any application or system that uses this library may be 
        affected. 

        CERT Vulnerability Note VU#288574 
        OpenSSL contains null-pointer assignment in do_change_cipher_spec()
        function 

        The Common Vulnerabilities and Exposures project (cve.mitre.org) 
        has assigned the name CAN-2004-0079 to this issue. 

        CERT Vulnerability Note VU#465542 
        OpenSSL does not properly handle unknown message types 

        The Common Vulnerabilities and Exposures project (cve.mitre.org) 
        has assigned the name CAN-2004-0081 to this issue.

        CERT Vulnerability Note VU#484726
        OpenSSL does not adequately validate length of Kerberos ticket 
        during SSL/TLS handshake.  

        The Common Vulnerabilities and Exposures project (cve.mitre.org)
        has assigned the name CAN-2004-0112 to this issue.

2. Vulnerable Supported Versions

        System                          Binaries
        ----------------------------------------------------------------------
        OpenServer 5.0.6                OpenSSL distribution
        OpenServer 5.0.7                OpenSSL distribution

3. Solution

        The proper solution is to install the latest packages.

        SCOSA-2004.10 is an update of gwxlibs to version 1.3.3Db.

        A full list of changes to gwxlibs is at 

        ftp://ftp.sco.com/pub/openserver5/507/mp/mp3/osr507mp3.html#rn507mp_gwxlibs
        

4. OpenServer 5.0.6

        4.1 First install oss646c or later

        4.2 Location of oss646c

        ftp://ftp.sco.com/pub/openserver5/oss646c/

        4.3 Verification of oss646c

        MD5 (VOL.000.000) = f19b6c6949f615316bfb075d249989e8
        MD5 (VOL.000.001) = 341ff8553aecd2c7b0c2beaf83030d0f
        MD5 (VOL.000.002) = 6e46708ad8029e12280d4f9ac60ab814
        MD5 (VOL.000.003) = 2868b64a6a6db742adb3b485be645d7e
        MD5 (VOL.000.004) = 1696fe1db9bb063827ee5e76e58dff84
        MD5 (VOL.000.005) = f39da342f8af72fcaccdf478dca04109
        MD5 (VOL.000.006) = 2b31611c8af7d2e7910d6e8e3cf701a6
        MD5 (VOL.000.007) = d0175c0f4e3ed29435b1eab95609f8f4
        MD5 (VOL.000.008) = aa9e8a525c341fed077f981b1dacb486
        MD5 (VOL.000.009) = 8e023af67b57507824406bdda322079a
        MD5 (VOL.000.010) = 2b46e8adba8ae0b64109f2069da978a2

        md5 is available for download from
                ftp://ftp.sco.com/pub/security/tools

        4.4  Location of Fixed Binaries

        ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.10

        4.5  Verification

        MD5 (VOL.000.000) = a85cf35c417903522392064aaa98f0a4
        MD5 (VOL.000.001) = d4383d6bc74bb6e873e7a4c8dfdc4e6b
        MD5 (VOL.000.002) = c5657b1358ef96177ae15fdcfec7132f
        MD5 (VOL.000.003) = 4c88ceb3502330b4c4d5e07ca7fc5214

        4.6 Installing Fixed Binaries

        Upgrade the affected binaries with the following sequence:

        1) Download the VOL* files to a directory

        2) Run the custom command, specify an install from media
        images, and specify the directory as the location of
        the images.


5. OpenServer 5.0.7

        5.1 Location of Fixed Binaries

        The fixes are only available in SCO OpenServer Release 5.0.7
        Maintenance Pack 3 or later.  See
        http://www.sco.com/support/update/download/osr507list.html.

        5.2 Verification

        MD5 (507mp3_vol.tar) = c927aefdd50b50aca5d29e08c1562aec

        md5 is available for download from
                ftp://ftp.sco.com/pub/security/tools


        5.3 Installing Fixed Binaries

        See the Maintenance Pack 3 Release and Installation Notes at

        ftp://ftp.sco.com/pub/openserver5/507/mp/mp3/osr507mp3.txt

6. References

        Specific references for this advisory:
                http://www.us-cert.gov/cas/techalerts/TA04-078A.html
                http://www.kb.cert.org/vuls/id/288574
                http://www.kb.cert.org/vuls/id/484726
                http://www.kb.cert.org/vuls/id/465542
                http://www.openssl.org/news/secadv_20040317.txt
                http://www.uniras.gov.uk/vuls/2004/224012/index.htm
                http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0079
                http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0112
                http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0081

        SCO security resources:
                http://www.sco.com/support/security/index.html

        SCO security advisories via email
                http://www.sco.com/support/forums/security.html

        This security fix closes SCO incidents sr890284 fz529412
        erg712603.

7. Disclaimer

        SCO is not responsible for the misuse of any of the information
        we provide on this website and/or through our security
        advisories. Our advisories are a service to our customers
        intended to promote secure installation and use of SCO
        products.


8. Acknowledgments

        SCO would like to thank The U.K. National Infrastructure
        Security Co-ordination Centre (NISCC) and the OpenSSL team.

______________________________________________________________________________

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