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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2005.0996 -- [UNIX/Linux][Debian] New dropbear packages fix arbitrary code execution 20 December 2005 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: dropbear Publisher: Debian Operating System: Debian GNU/Linux 3.1 UNIX variants (UNIX, Linux, OSX) Impact: Root Compromise Access: Remote/Unauthenticated CVE Names: CVE-2005-4178 Original Bulletin: http://www.debian.org/security/2005/dsa-923 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - -------------------------------------------------------------------------- Debian Security Advisory DSA 923-1 security@debian.org http://www.debian.org/security/ Martin Schulze December 19th, 2005 http://www.debian.org/security/faq - - -------------------------------------------------------------------------- Package : dropbear Vulnerability : buffer overflow Problem type : local (remote) Debian-specific: no CVE ID : CVE-2005-4178 A buffer overflow has been discovered in dropbear, a lightweight SSH2 server and client, that may allow authenticated users to execute arbitrary code as the server user (usually root). The old stable distribution (woody) does not contain dropbear packages. For the stable distribution (sarge) this problem has been fixed in version 0.45-2sarge0. For the unstable distribution (sid) this problem has been fixed in version 0.47-1. We recommend that you upgrade your dropbear package. 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 3.1 alias sarge - - -------------------------------- Source archives: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0.dsc Size/MD5 checksum: 562 771c96890c39a12c47120ddd910d006e http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0.diff.gz Size/MD5 checksum: 4319 c968be5d18aa754d7ee8811f75ecc852 http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45.orig.tar.gz Size/MD5 checksum: 1455970 29babade35e1d8a322e4726886473a84 Alpha architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_alpha.deb Size/MD5 checksum: 281480 5629ae5d6fd265b3d102564c8a4d31cf AMD64 architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_amd64.deb Size/MD5 checksum: 231480 2aa8ed3a949b983bd638568d47bcc10c ARM architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_arm.deb Size/MD5 checksum: 200804 85c55cf59293bef6ea547240106288f6 Intel IA-32 architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_i386.deb Size/MD5 checksum: 202040 57744bf60afc9a2a513e55942f99e049 Intel IA-64 architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_ia64.deb Size/MD5 checksum: 314292 15cfb647be2679801b1a0ac34bd1b19b HP Precision architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_hppa.deb Size/MD5 checksum: 231472 3110c908e587d7a8a0b93b520d240e06 Motorola 680x0 architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_m68k.deb Size/MD5 checksum: 181280 0cdbf4dee816ba3d296cccc8ba5bcb43 Big endian MIPS architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_mips.deb Size/MD5 checksum: 244772 08ca3d67421ee4c71abc49426b79229b Little endian MIPS architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_mipsel.deb Size/MD5 checksum: 245768 50abc231c3074055a4dcb552425062de PowerPC architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_powerpc.deb Size/MD5 checksum: 225898 4289b9460a9378969b4fdb120877dacd IBM S/390 architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_s390.deb Size/MD5 checksum: 230878 403a282803b66481a0c34fc1be4bdda2 Sun Sparc architecture: http://security.debian.org/pool/updates/main/d/dropbear/dropbear_0.45-2sarge0_sparc.deb Size/MD5 checksum: 200704 22879b1b90f75ac8bfb48c489eccbf3b 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 v1.4.2 (GNU/Linux) iD8DBQFDpksgW5ql+IAeqTIRAon3AJ4gmW2R8emmvlQWeydnTUT9Yo18UQCgilc9 kwT9rMK8WxcTFrFRcIRVS0Q= =4Nmd - -----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 iQCVAwUBQ6dV+ih9+71yA2DNAQI/JAQAi1tD3A1Ex452tZe87DH/xqUfkyZQvtE3 eQbS0B+rpcZ03IFD2T5ykNNlJxpAZkfw56lmR2vnWxfzJwUHEHbjwlL+Q8zwm4vg xGZznTr7QsaKc6mAQG6ojYwqp5HGCCi+pKNUoVHV/8AOIcewfjLoKedWylU+YZR4 v/px9Kv2WXQ= =Fjsc -----END PGP SIGNATURE-----