From joey@infodrom.org Thu Jan 12 06:07:06 2006 From: Martin Schulze Resent-From: list@murphy.debian.org (Mailing List Manager) To: Debian Security Announcements Date: Thu, 12 Jan 2006 12:01:23 +0100 (CET) Reply-To: full-disclosure@lists.grok.org.uk Subject: [Full-disclosure] [SECURITY] [DSA 903-2] New unzip packages fix unauthorised permissions modification -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - -------------------------------------------------------------------------- Debian Security Advisory DSA 903-2 security@debian.org http://www.debian.org/security/ Martin Schulze January 12th, 2006 http://www.debian.org/security/faq - -------------------------------------------------------------------------- Package : unzip Vulnerability : race condition Problem type : local Debian-specific: no CVE ID : CAN-2005-2475 BugTraq ID : 14450 Debian Bugs : 321927 343680 The unzip update in DSA 903 contained a regression so that symbolic links that are resolved later in a zip archive aren't supported anymore. This update corrects this behaviour. For completeness, below plese find the original advisory text: Imran Ghory discovered a race condition in the permissions setting code in unzip. When decompressing a file in a directory an attacker has access to, unzip could be tricked to set the file permissions to a different file the user has permissions to. For the old stable distribution (woody) this problem has been fixed in version 5.50-1woody5. For the stable distribution (sarge) this problem has been fixed in version 5.52-1sarge3. For the unstable distribution (sid) this problem has been fixed in version 5.52-6. We recommend that you upgrade your unzip 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 3.0 alias woody - -------------------------------- Source archives: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5.dsc Size/MD5 checksum: 571 75e2923b74af607785cbefbbea79d1ab http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5.diff.gz Size/MD5 checksum: 6484 73efae47dcd377abb934e36805c16190 http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50.orig.tar.gz Size/MD5 checksum: 1068379 6d27bcdf9b51d0ad0f78161d0f99582e Alpha architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_alpha.deb Size/MD5 checksum: 160482 94b0a5e18d78866d92f375d6b93a22c3 ARM architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_arm.deb Size/MD5 checksum: 139374 bd8cc4c654c901b5c320b2cdbf09f31b Intel IA-32 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_i386.deb Size/MD5 checksum: 122808 1d5669290431fb7fe83f688447b22d84 Intel IA-64 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_ia64.deb Size/MD5 checksum: 191010 1cd02c151f46b5f7872a7de3079ebc2a HP Precision architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_hppa.deb Size/MD5 checksum: 146954 ee23ad6e2c40d38e4655be1f2666489d Motorola 680x0 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_m68k.deb Size/MD5 checksum: 119578 7765363163750bed7e72472bee09afc4 Big endian MIPS architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_mips.deb Size/MD5 checksum: 142950 97af77c03fb69936407c86394fb846a5 Little endian MIPS architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_mipsel.deb Size/MD5 checksum: 143422 98a0ab0fd751c246ebd50e5c62886217 PowerPC architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_powerpc.deb Size/MD5 checksum: 136368 b2bea065ae91032fe987aaf120e08ad9 IBM S/390 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_s390.deb Size/MD5 checksum: 137044 151da2fddaaca890dbf5166140f23881 Sun Sparc architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody5_sparc.deb Size/MD5 checksum: 147498 022e8ca1cecf20178edd68296fd973aa Debian GNU/Linux 3.1 alias sarge - -------------------------------- Source archives: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3.dsc Size/MD5 checksum: 528 b6e01dbb89f9130fa16650b16f4d4e32 http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3.diff.gz Size/MD5 checksum: 5387 807b5d9e8efa85e8caab673eff38aff7 http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52.orig.tar.gz Size/MD5 checksum: 1140291 9d23919999d6eac9217d1f41472034a9 Alpha architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_alpha.deb Size/MD5 checksum: 175506 90375091fd0c2577518bfd7db2202272 AMD64 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_amd64.deb Size/MD5 checksum: 154876 7129ee6610e6ec0320141bb7aaa5288e ARM architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_arm.deb Size/MD5 checksum: 155430 3fb2c5576d1709c6d7cc1b89d61a50b8 Intel IA-32 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_i386.deb Size/MD5 checksum: 144934 0e860597ffe259038f7bb8e1ce2630df Intel IA-64 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_ia64.deb Size/MD5 checksum: 206648 d261bf8a2e3c8fce3d0898355a7420db HP Precision architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_hppa.deb Size/MD5 checksum: 162840 91d7d512b915757bf7c7e3e8640efa0c Motorola 680x0 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_m68k.deb Size/MD5 checksum: 133734 878d1597bd5ef623a6bc70f6446654a4 Big endian MIPS architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_mips.deb Size/MD5 checksum: 163396 5cbe0e22136949f240031502ea07d456 Little endian MIPS architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_mipsel.deb Size/MD5 checksum: 163966 4066fa1e97bad61c47be9b6ffa47179f PowerPC architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_powerpc.deb Size/MD5 checksum: 157388 25c3d9d685ec411e5b53cc0e8002ca8e IBM S/390 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_s390.deb Size/MD5 checksum: 156494 bfeb0b1d801266334e6a46f0818a9e6f Sun Sparc architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.52-1sarge3_sparc.deb Size/MD5 checksum: 154952 e1e42335312202d8b3f0727e9d78fda9 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 ' and http://packages.debian.org/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (GNU/Linux) iD8DBQFDxjcDW5ql+IAeqTIRArJQAJ48ZSIEK2BLNM8nw7eF+nYWcAp1SACglvjT 4zYhaiqXeH/DSpRL/YVOouM= =ZkQw -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. 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