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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2001.437 -- Debian Security Advisory DSA 083-1 New procmail packages fix insecure signal handling 19 October 2001 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: procmail Vendor: Debian Operating System: Debian GNU/Linux 2.2 Linux Unix Platform: Alpha ARM i386 Motorola 680x0 PowerPC Sparc Impact: Root Compromise Access Required: Existing Account - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - -------------------------------------------------------------------------- Debian Security Advisory DSA 083-1 security@debian.org http://www.debian.org/security/ Martin Schulze October 18th, 2001 - - -------------------------------------------------------------------------- Package : procmail Vulnerability : insecure signal handling Problem-Type : local root exploit Debian-specific: no Using older versions of procmail it was possible to make procmail crash by sending it signals. On systems where procmail is installed setuid this could be exploited to obtain unauthorized privileges. This problem has been fixed in version 3.20 by the upstream maintainer, included in Debian unstable, and was ported back to version 3.15.2 which is available for for the stable Debian GNU/Linux 2.2. We recommend that you upgrade your procmail package immediately. 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 2.2 alias potato - - ------------------------------------ Source archives: http://security.debian.org/dists/stable/updates/main/source/procmail_3.15.2-1.diff.gz MD5 checksum: 0cb94b0c0d122a01f40f121ea0ec6ade http://security.debian.org/dists/stable/updates/main/source/procmail_3.15.2-1.dsc MD5 checksum: 0c197e2629dc5aca44f08a97b94751ad http://security.debian.org/dists/stable/updates/main/source/procmail_3.15.2.orig.tar.gz MD5 checksum: 933c8f378082048f2d7f598dff9b760c Alpha architecture: http://security.debian.org/dists/stable/updates/main/binary-alpha/procmail_3.15.2-1_alpha.deb MD5 checksum: daf60f1b098153e852f2e8404acbf037 ARM architecture: http://security.debian.org/dists/stable/updates/main/binary-arm/procmail_3.15.2-1_arm.deb MD5 checksum: 2e1b96787ccb90724db0b0dc97574a9a Intel ia32 architecture: http://security.debian.org/dists/stable/updates/main/binary-i386/procmail_3.15.2-1_i386.deb MD5 checksum: d7245b21110faf119e77705eaf724218 Motorola 680x0 architecture: http://security.debian.org/dists/stable/updates/main/binary-m68k/procmail_3.15.2-1_m68k.deb MD5 checksum: f9bf3d4630d57abc6ff876d01174493f PowerPC architecture: http://security.debian.org/dists/stable/updates/main/binary-powerpc/procmail_3.15.2-1_powerpc.deb MD5 checksum: e2713f8a2862ddab38774a1708b85018 Sun Sparc architecture: http://security.debian.org/dists/stable/updates/main/binary-sparc/procmail_3.15.2-1_sparc.deb MD5 checksum: 80635f04bd2bbfc991176438307d7371 These files will be moved into the stable distribution on its next revision. - - --------------------------------------------------------------------------------- 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 v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE7ztdaW5ql+IAeqTIRApAdAJwJagek2pLalcUdHjQUsDDK4l1TBwCfanSZ nzyYpFIFBErDwEo0Z3GmjeA= =Gknu - -----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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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/Information/advisories.html If you believe that your system has been compromised, contact AusCERT or your representative in FIRST (Forum of Incident Response and Security Teams). 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). 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