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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2005.0092 -- SCO Security Advisory SCOSA-2005.5 OpenServer 5.0.6 OpenServer 5.0.7 : scosessoin local privilege elevation 27 January 2005 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: scosession Publisher: SCO Operating System: OpenServer 5.0.6 and 5.0.7 Impact: Increased Privileges Access: Existing Account CVE Names: CAN-2003-1021 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SCO Security Advisory Subject: OpenServer 5.0.6 OpenServer 5.0.7 : scosessoin local privilege elevation Advisory number: SCOSA-2005.5 Issue date: 2005 January 25 Cross reference: sr886719 fz528461 erg712476 CAN-2003-1021 ______________________________________________________________________________ 1. Problem Description A problem has been identified in the scosession program when handling strings on the commandline. Because of this, a local attacker may be able to gain elevated privileges. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2003-1021 to this issue. 2. Vulnerable Supported Versions System Binaries ---------------------------------------------------------------------- OpenServer 5.0.6 /usr/bin/X11/scosession OpenServer 5.0.7 /usr/bin/X11/scosession 3. Solution The proper solution is to install the latest packages. 4. OpenServer 5.0.6 4.1 First install oss646b 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 4.4 Location of Fixed Binaries ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.5 4.5 Verification MD5 (VOL.000.000) = 953b64f2a068cd188717ebf3c87e9aed md5 is available for download from ftp://ftp.sco.com/pub/security/tools 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 ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.5 The fixes are also 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 (VOL.000.000) = 953b64f2a068cd188717ebf3c87e9aed md5 is available for download from ftp://ftp.sco.com/pub/security/tools 5.3 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. 6. References Specific references for this advisory: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-1021 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 sr886719 fz528461 erg712476. 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 Joel Soderberg and Christer Oberg of Deprotect which describes itself as "a Swedish based security company divided into four divisions; Managed Security Services, Security Services, Products and Development and our Security Academy." ______________________________________________________________________________ - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (SCO/UNIX_SVR5) iD8DBQFB9sbMaqoBO7ipriERAkLsAJkBk2Rj7JyuHwkb5PRgpb9bw9HzcgCgjyR/ DEBpdf0diDpDWD/Z1DpwXXY= =e+Kw - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to email@example.com and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. 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Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: firstname.lastname@example.org Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBQfh1oih9+71yA2DNAQK65QP8DL7KDOmxMzrW9Id+AFcPRCS4rsGH7XH7 7uZkLmwfBciw47U2Cm37fL1TnwzxiWcmZOAD9bHY1gPVGFe3YhS9ueMCbzV3RTHq DLt/Df+lac/b96CdRTqhEL/3gHKLdlyMlMP8k4r7PqhqDHmZ2u3BRc5W12QLRHFv XT4yqi74YXQ= =GNE9 -----END PGP SIGNATURE-----