Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2009.0115 -- [Win][UNIX/Linux] New vnc4 packages fix remote code execution 3 February 2009 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: vnc4 Publisher: Debian Operating System: UNIX variants (UNIX, Linux, OSX) Windows Impact: Execute Arbitrary Code/Commands Access: Remote/Unauthenticated CVE Names: CVE-2008-4770 Ref: ESB-2009.0079 Original Bulletin: http://www.debian.org/security/2009/dsa-1716 Comment: This advisory references vulnerabilities in products which run on platforms other than Debian. It is recommended that administrators running vnc4 check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - ------------------------------------------------------------------------ Debian Security Advisory DSA-1716-1 security@debian.org http://www.debian.org/security/ Steffen Joeris January 31, 2009 http://www.debian.org/security/faq - - ------------------------------------------------------------------------ Package : vnc4 Vulnerability : integer overflow Problem type : remote Debian-specific: no CVE ID : CVE-2008-4770 Debian Bug : 513531 It was discovered that xvnc4viewer, a virtual network computing client software for X, is prone to an integer overflow via a malicious encoding value that could lead to arbitrary code execution. For the stable distribution (etch) this problem has been fixed in version 4.1.1+X4.3.0-21+etch1. For the unstable (sid) distribution this problem has been fixed in version 4.1.1+X4.3.0-31. For the testing (lenny) distribution this problem will be fixed soon. We recommend that you upgrade your vnc4 packages. Upgrade instructions - - -------------------- wget url will fetch the file for you dpkg -i file.deb will install the referenced file. If you are using the apt-get package manager, use the line for sources.list as given below: apt-get update will update the internal database apt-get upgrade will install corrected packages You may use an automated update by adding the resources from the footer to the proper configuration. Debian GNU/Linux 4.0 alias etch - - ------------------------------- Source archives: http://security.debian.org/pool/updates/main/v/vnc4/vnc4_4.1.1+X4.3.0-21+etch1.diff.gz Size/MD5 checksum: 50904 55c92400d7949023c3488dcec680d613 http://security.debian.org/pool/updates/main/v/vnc4/vnc4_4.1.1+X4.3.0.orig.tar.gz Size/MD5 checksum: 31536534 b28c43385fe574d612ddbd0b645082f7 http://security.debian.org/pool/updates/main/v/vnc4/vnc4_4.1.1+X4.3.0-21+etch1.dsc Size/MD5 checksum: 696 0d0f0e7f58c6440481b8bfa83af8cd63 alpha architecture (DEC Alpha) http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_alpha.deb Size/MD5 checksum: 19868 56d083c639e24961fcbbf98cec86dd11 http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_alpha.deb Size/MD5 checksum: 172424 ec5afb4bf93d6988859e0dca63b922a4 http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_alpha.deb Size/MD5 checksum: 2682410 e2ad2547dda085010c318900786ee935 amd64 architecture (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_amd64.deb Size/MD5 checksum: 2169248 27b31d7391acb4b7d4e98a97a341bcf3 http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_amd64.deb Size/MD5 checksum: 144462 097687a2626960fcda86fa8df3831151 http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_amd64.deb Size/MD5 checksum: 18778 68843484c257b04314e141a1bc370443 hppa architecture (HP PA RISC) http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_hppa.deb Size/MD5 checksum: 181264 ca3758fa85fb049fdd8f965d3e67ed40 http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_hppa.deb Size/MD5 checksum: 2294922 00482f651a2008cd66f4588ac403cba2 http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_hppa.deb Size/MD5 checksum: 19490 07ac277452d42f3f5ac8144700109c06 i386 architecture (Intel ia32) http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_i386.deb Size/MD5 checksum: 2015342 a1e67da97e85e0ca290e3644b551c686 http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_i386.deb Size/MD5 checksum: 18640 27cf156a68540519f9efd4b81fd51dff http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_i386.deb Size/MD5 checksum: 147628 9cedf57dd52455c76332f585f6c52dc8 ia64 architecture (Intel ia64) http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_ia64.deb Size/MD5 checksum: 20850 1bc4cf4b52eae3f4df103ef36b13f156 http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_ia64.deb Size/MD5 checksum: 210896 9f611bbc3397c02056f51b7f3dc7a190 http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_ia64.deb Size/MD5 checksum: 3436446 a80497194bfa083efc7abb605d63e8e5 mips architecture (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_mips.deb Size/MD5 checksum: 167956 a675e51fa9e97a06161aa1a39a0a40e0 http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_mips.deb Size/MD5 checksum: 19334 ba9c0e77f3127023fb804771bbc02be1 http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_mips.deb Size/MD5 checksum: 2219206 26797854e72b6e37ae36b3ab25fe9f81 mipsel architecture (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_mipsel.deb Size/MD5 checksum: 166658 f65eb37aac9e5999bfe8357cc5fa6d1a http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_mipsel.deb Size/MD5 checksum: 19364 8756098357f1d940067ba336f5fd2412 http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_mipsel.deb Size/MD5 checksum: 2216976 511790cec54a6fbb4d82b7264faa828c powerpc architecture (PowerPC) http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_powerpc.deb Size/MD5 checksum: 18964 dc9aaf61e3ed3af75ec6721a34837e91 http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_powerpc.deb Size/MD5 checksum: 150726 72aec061f31ca36cde5de15155566267 http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_powerpc.deb Size/MD5 checksum: 2175212 dd3910238f15e0b3e5217156fb7a82b1 s390 architecture (IBM S/390) http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_s390.deb Size/MD5 checksum: 146930 3944bd5e31b674d5f61df09bf559da7a http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_s390.deb Size/MD5 checksum: 18962 9be75dac3eb47ad7fcd3cdf2f791ef29 http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_s390.deb Size/MD5 checksum: 2037162 90f5428057526f8ddd3597b68640278a sparc architecture (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_sparc.deb Size/MD5 checksum: 140638 8c079b90ee4f3fe80b2ce7eac796b2d0 http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_sparc.deb Size/MD5 checksum: 1976152 695f3eca91cd7f4a8b15546fb9f53e97 http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_sparc.deb Size/MD5 checksum: 18334 b5aa41215f8d4d90849bd7e17e6f3720 These files will probably be moved into the stable distribution on its next update. - - --------------------------------------------------------------------------------- For apt-get: deb http://security.debian.org/ stable/updates main For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main Mailing list: debian-security-announce@lists.debian.org Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg> - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iQEcBAEBAgAGBQJJhMIiAAoJEL97/wQC1SS+BIAH/ipPRaeinnmPvVCyw3BO/Efq hMxAIaJrm+DJL+KoaDimilf6ZQKg7KKoMJ9E8+WWuXtoQTxoipJqsoKeM3OeRglG O31n3Q5QmA2J1V5H9pwjniyE54J3On1FeXqgc3zAlHZ6Ec6SjQAXQ4OUJXs2ZDci jnBRcECSeLPlUujM3P6V8IOesFfSFiTb1+7di3CGrJFOCzjnZtgSUzmkWAY8soYq fn4LXpTUCAkpRTwd/U8y7FPR5DKHtYrb15TE84yixoFRO6E5ynjfllw1az0a6BPO /0yxdVLDioFIYoyZSmmVayyHWdCpD8KUyUrpNA5mM3467kaHA0fhMoxBgkdafzc= =BUkF - -----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 auscert@auscert.org.au 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. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. 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: auscert@auscert.org.au 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 iD8DBQFJh6xcNVH5XJJInbgRAqccAJ46+4a1/dOOhVLFXmNWLWS3T4DmVACfcpl1 sXEMYPMLkNZ2fu3XTfUwctc= =cQFb -----END PGP SIGNATURE-----