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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2007.0232 -- [UNIX/Linux][Debian] New man-db packages fix arbitrary code execution 10 April 2007 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: man-db Publisher: Debian Operating System: Debian GNU/Linux 3.1 Linux variants Impact: Root Compromise Access: Existing Account CVE Names: CVE-2006-4250 Original Bulletin: http://www.debian.org/security/2007/dsa-1278 Comment: This vulnerability may affect other Linux and UNIX platforms, however the Debian advisory is currently the only public source of information regarding this vulnerability. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - ------------------------------------------------------------------------ Debian Security Advisory DSA-1278-1 security@debian.org http://www.debian.org/security/ Noah Meyerhans April 06, 2007 - - ------------------------------------------------------------------------ Package : man-db Vulnerability : buffer overflow Problem type : local Debian-specific: no CVE Id(s) : CVE-2006-4250 A buffer overflow has been dicovered in the man command that could allow an attacker to execute code as the man user by providing specially crafted arguments to the -H flag. This is likely to be an issue only on machines with the man and mandb programs installed setuid. For the stable distribution (sarge), this problem has been fixed in version 2.4.2-21sarge1 For the upcoming stable distribution (etch) and the unstable distribution (sid), this problem has been fixed in version 2.4.3-5. We recommend that you upgrade your man-db 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 3.1 (stable) - - ------------------- Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, m68k, mips, mipsel, powerpc, s390 and sparc. Source archives: http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2.orig.tar.gz Size/MD5 checksum: 730134 15855f899a76aa302c83ffec81526ab4 http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1.dsc Size/MD5 checksum: 673 add0d09882262adb0cbbde6845af0fbb http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1.diff.gz Size/MD5 checksum: 104832 c5befcaee1865b8582d7bbe8ac21f537 alpha architecture (DEC Alpha) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_alpha.deb Size/MD5 checksum: 641194 92131ea27cf1f17fcdaaea36accfa930 amd64 architecture (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_amd64.deb Size/MD5 checksum: 607660 464ca88aca62d8cd8ee84072993ce0f7 arm architecture (ARM) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_arm.deb Size/MD5 checksum: 559372 1d5563046ce831b2b7088caa044694de hppa architecture (HP PA RISC) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_hppa.deb Size/MD5 checksum: 609530 efa1144900b1ee014dd93eb5fb1bf223 i386 architecture (Intel ia32) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_i386.deb Size/MD5 checksum: 579774 feb44785cde0c8f64cd22f35aa674ab8 ia64 architecture (Intel ia64) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_ia64.deb Size/MD5 checksum: 687208 1400e1e708ec327de4517557de51eca3 m68k architecture (Motorola Mc680x0) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_m68k.deb Size/MD5 checksum: 544688 d9bd8753aeaf7ceaa7ff29903085ca33 mips architecture (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_mips.deb Size/MD5 checksum: 609644 b8cc5d9b03e70a2bf671983a31d858ba mipsel architecture (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_mipsel.deb Size/MD5 checksum: 611036 6e3cf522a309f851111ce579d1985c83 powerpc architecture (PowerPC) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_powerpc.deb Size/MD5 checksum: 602320 05dac7703f16fde62ecf61f07e8ecf97 s390 architecture (IBM S/390) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_s390.deb Size/MD5 checksum: 600014 a9d162c3c25869260895ada582042e95 sparc architecture (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/m/man-db/man-db_2.4.2-21sarge1_sparc.deb Size/MD5 checksum: 574580 ee5ab4089c0ff87d3f976f82b4e01c27 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 v1.4.6 (GNU/Linux) iD8DBQFGFnWEYrVLjBFATsMRAizAAJwNWOX6b/I9bOvi86BTyNPAqELANwCeNO0g zGPcBBT57zwIUmbSHllvZbE= =B6CQ - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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 iQCVAwUBRhrjKCh9+71yA2DNAQL0pgP+PoZBZXXxkNgJEBOYjOs+1c46Xhe/nWDl 2i3A8daUEs+CNoEwIgOwPe0eYNMnu0Yq/0VkTMvfpHg9Na0SKe1VZB8yfb8JL+r9 fba+5qOslCSbzq9Bawx3TQtFGjKCxN46m7KJn6kPY+1KTnEY4zPDgN32YU4AN6LF M4+qw6zTg6Q= =hv84 -----END PGP SIGNATURE-----