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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2003.0597 -- Debian Security Advisory DSA-344-2 New unzip packages fix directory traversal vulnerability 26 August 2003 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: unzip Publisher: Debian Operating System: Debian GNU/Linux 3.0 Linux Impact: Overwrite Arbitrary Files Access Required: Remote CVE Names: CAN-2003-0282 Ref: ESB-2003.0474 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - -------------------------------------------------------------------------- Debian Security Advisory DSA 344-2 security@debian.org http://www.debian.org/security/ Matt Zimmerman August 26th, 2003 http://www.debian.org/security/faq - - -------------------------------------------------------------------------- Package : unzip Vulnerability : directory traversal Problem-Type : local Debian-specific: no CVE Ids : CAN-2003-0282 A directory traversal vulnerability in UnZip 5.50 allows attackers to bypass a check for relative pathnames ("../") by placing certain invalid characters between the two "." characters. The fix which was implemented in DSA-344-1 may not have protected against all methods of exploiting this vulnerability. For the stable distribution (woody) this problem has been fixed in version 5.50-1woody2. For the unstable distribution (sid) this problem has been fixed in version 5.50-3. We recommend that you update 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_5.50-1woody2.dsc Size/MD5 checksum: 571 357a3df0f8b5db02ece036643391dcff http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2.diff.gz Size/MD5 checksum: 5049 33fde5244d8309bc768ddc3a0b4e2f94 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_5.50-1woody2_alpha.deb Size/MD5 checksum: 160152 de975e2f34dfb01474a50684330a42a3 ARM architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_arm.deb Size/MD5 checksum: 139214 9d2c2b9ed700e0eb7ecefec83cca6ab9 Intel IA-32 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_i386.deb Size/MD5 checksum: 122516 6276a9184819b15202548cc0d256ea5b Intel IA-64 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_ia64.deb Size/MD5 checksum: 190682 698db8f4c479b0ac4bd36be80bbb6e57 HP Precision architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_hppa.deb Size/MD5 checksum: 146718 2a256d26b91722e8a61f2abc2749770c Motorola 680x0 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_m68k.deb Size/MD5 checksum: 119336 c41cb95920762fd9a7da4ba51663cc48 Big endian MIPS architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_mips.deb Size/MD5 checksum: 142810 69570ffd84f2388b62875d5167250fe4 Little endian MIPS architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_mipsel.deb Size/MD5 checksum: 143294 921f33ce8514a2734475bf83de949adf PowerPC architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_powerpc.deb Size/MD5 checksum: 136226 0a28157fa0fbee952ac7751338831f7d IBM S/390 architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_s390.deb Size/MD5 checksum: 136788 d3cc767b0564ab5eb9b7157dd0373d45 Sun Sparc architecture: http://security.debian.org/pool/updates/main/u/unzip/unzip_5.50-1woody2_sparc.deb Size/MD5 checksum: 147282 68f85c2ff2340a0e5f9015718f975539 These files will probably 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 v1.2.2 (GNU/Linux) iD8DBQE/SueyArxCt0PiXR4RAgb9AKDagtoqQUpJqP1uIyIlNCN4T2LWOwCfVZfb kNluRJaro3gkDHgEJC04xwI= =4w3A - -----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. 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 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 iQCVAwUBP0sKsSh9+71yA2DNAQEtqgP+OgkEBXGuFX+MtERw45Dwik4rf5V+mcrN 0J4oZ+xQvYg4eMRlpL2YMwMKp4uGMrb6mvFy0+92hRH007zfciykBHpJmhcS6lWB EaFeWl1ohO1PcXPv3NBKT5gaboiKhB7wMdw6mzuuQUamgVUlbYuU82hvpFDNIv43 v7Aud5VxQYQ= =DixF -----END PGP SIGNATURE-----