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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2008.1000 -- [Win][UNIX/Linux][Debian] New libspf2 packages fix potential remote code execution 24 October 2008 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libspf2 Publisher: Debian Operating System: Debian GNU/Linux 4.0 UNIX variants (UNIX, Linux, OSX) Windows Impact: Execute Arbitrary Code/Commands Access: Remote/Unauthenticated CVE Names: CVE-2008-2469 Original Bulletin: http://www.debian.org/security/2008/dsa-1659 Comment: GFI MailEssentials for Exchange (Windows) uses libspf2 or parts of the libspf2 source code, and therefore may also be vulnerable. (see: http://www.libspf2.org/download.html) This advisory references vulnerabilities in products which run on platforms other than Debian. It is recommended that administrators running libspf2 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-1659-1 security@debian.org http://www.debian.org/security/ Florian Weimer October 23, 2008 http://www.debian.org/security/faq - - ------------------------------------------------------------------------ Package : libspf2 Vulnerability : buffer overflow Problem type : remote Debian-specific: no CVE Id(s) : CVE-2008-2469 Dan Kaminsky discovered that libspf2, an implementation of the Sender Policy Framework (SPF) used by mail servers for mail filtering, handles malformed TXT records incorrectly, leading to a buffer overflow condition (CVE-2008-2469). Note that the SPF configuration template in Debian's Exim configuration recommends to use libmail-spf-query-perl, which does not suffer from this issue. For the stable distribution (etch), this problem has been fixed in version 1.2.5-4+etch1. For the testing distribution (lenny), this problem has been fixed in version 1.2.5.dfsg-5+lenny1. For the unstable distribution (sid), this problem will be fixed soon. We recommend that you upgrade your libspf2 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 4.0 alias etch - - ------------------------------- Source archives: http://security.debian.org/pool/updates/main/libs/libspf2/libspf2_1.2.5.orig.tar.gz Size/MD5 checksum: 518107 5e81bbc41c1394e466eb06dd514f97d7 http://security.debian.org/pool/updates/main/libs/libspf2/libspf2_1.2.5-4+etch1.dsc Size/MD5 checksum: 618 d7f758e290960445754d76595dd14a6b http://security.debian.org/pool/updates/main/libs/libspf2/libspf2_1.2.5-4+etch1.diff.gz Size/MD5 checksum: 15086 d93480ad8a520e40d2f7aa5622c350bb alpha architecture (DEC Alpha) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_alpha.deb Size/MD5 checksum: 58480 8a6fafec1a9e27c32e8c3545673ae64e http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_alpha.deb Size/MD5 checksum: 21638 a5dbe0b61a0913d6e352aba1e10bc21a http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_alpha.deb Size/MD5 checksum: 94420 68a4b698b96bea705889da070034e739 amd64 architecture (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_amd64.deb Size/MD5 checksum: 54420 c5d934e0674fe954c9a2fc4a37fcabf6 http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_amd64.deb Size/MD5 checksum: 77296 5f93e9d3dedd674339dcafe2d2227d94 http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_amd64.deb Size/MD5 checksum: 20714 ac938c60372fae2b580f93f9aa9fc617 arm architecture (ARM) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_arm.deb Size/MD5 checksum: 49590 ddf2d07c5b4e7cf2092b34e615b795bb http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_arm.deb Size/MD5 checksum: 19686 c08f86305ba1af22cd47b77ab220cd31 http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_arm.deb Size/MD5 checksum: 69614 98d710d66a462fa3d29f45764d055e70 hppa architecture (HP PA RISC) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_hppa.deb Size/MD5 checksum: 55920 f20a075769b29a4265f6272f629accd2 http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_hppa.deb Size/MD5 checksum: 20900 20282048aa118078480fe82c4ef0d4ab http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_hppa.deb Size/MD5 checksum: 82492 a791b2a33f2a62da7dfbfa5abf89a5e2 i386 architecture (Intel ia32) http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_i386.deb Size/MD5 checksum: 20016 d4a5f4f8946431c3f005afef02d77b50 http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_i386.deb Size/MD5 checksum: 71986 1631211512ce5efa9c65a493e5057a1d http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_i386.deb Size/MD5 checksum: 51338 442bf4a790e6d019ac0347f23c5c6261 ia64 architecture (Intel ia64) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_ia64.deb Size/MD5 checksum: 69090 d1c4ae22765a0e1a76ecff237e6a3d07 http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_ia64.deb Size/MD5 checksum: 25436 958e093744c1346c8d3dd892f21eae3c http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_ia64.deb Size/MD5 checksum: 98240 b120aed22d59d06065cf0a50210587fa mipsel architecture (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_mipsel.deb Size/MD5 checksum: 20012 0a435fb1e50a6453ee28c9f6d82b261c http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_mipsel.deb Size/MD5 checksum: 50382 3ee99a4143a7b8bf4a4f64b66bb75783 http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_mipsel.deb Size/MD5 checksum: 81984 49611db8926324ba12a0827981e13de7 powerpc architecture (PowerPC) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_powerpc.deb Size/MD5 checksum: 78872 4da7bfd68eea0826569173888d247908 http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_powerpc.deb Size/MD5 checksum: 23486 fb3f2d541f6635c50f4053f95022ea6c http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_powerpc.deb Size/MD5 checksum: 53426 dcd7b8835c7ad6087d7a5654656b6917 s390 architecture (IBM S/390) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_s390.deb Size/MD5 checksum: 54666 f0ebb010161d40c2b76f1d99db88f0be http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_s390.deb Size/MD5 checksum: 20580 41c4ec7139349a449b7d0abc56eb6778 http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_s390.deb Size/MD5 checksum: 77086 eb6e7ca0f8516f82d695d3655fcd3c3b sparc architecture (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_sparc.deb Size/MD5 checksum: 19662 4cd9803e1e7aa0963ba149ae17cb22a6 http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_sparc.deb Size/MD5 checksum: 71830 b2001b910ceb4390ad427660ea8135b7 http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_sparc.deb Size/MD5 checksum: 49884 5efdeefe2a79ed210776647dd5a4e951 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) iQEcBAEBAgAGBQJJANgOAAoJEL97/wQC1SS+QcAH+wcohJqrjZq+D0zD1Nk4qJxz +zjoZvTIMVtWqezauMF8p+AWDrjGo31WtIi11zmXBXojo7tCtZGFR/7ESQ9SOUnE k1zzW875au7FgY9y9x2InExY5G+TFhrern4z4Dn3aE+3DOP8cY3vfozzQQ6NfAGR k2TzH+mQvp6g6ZFEfwnWRjxw5y4mMa+SoEHTHG1dF5ice2JIZslzTd/6rLndtbrS 3QS4YPWFfbxE1DJtd+L5lTKFv/SYPXe4jrz5mG2DADU/GBtB/QDQ2vGxE+5ti3pJ Idk7rUcbGNGhZo1whjMvwf4wCR7GKZwXK2ngTOmC+Grh1H9JeTiAoT6X5BbyRis= =2ILf - -----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 iQCVAwUBSQEWbih9+71yA2DNAQJyUAQAjgv+dpR8cD/8dRzj3Lo0Q+JkMhociDfc Xujluv5pcz0hOX1kR/4tq0deL2Q5y39TwqMeJWh+QnClvE9krXr6NI0Xd71VS8vN Pl1GGXFPPehHh01WP5kjLH8tZmiRPU6m94QJQpL4CILvej3B4wJ3nYtRrdxsHYpS AO4BuQXTcF8= =Y9dT -----END PGP SIGNATURE-----