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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2004.0386 -- Debian Security Advisory DSA 515-1 New lha packages fix several vulnerabilities 07 June 2004 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: lha Publisher: Debian Operating System: Debian GNU/Linux 3.0 Linux variants Impact: Execute Arbitrary Code/Commands Create Arbitrary Files Access Required: Remote CVE Names: CAN-2004-0234 CAN-2004-0235 Ref: ESB-2004.0319 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - -------------------------------------------------------------------------- Debian Security Advisory DSA 515-1 security@debian.org http://www.debian.org/security/ Matt Zimmerman June 5th, 2004 http://www.debian.org/security/faq - - -------------------------------------------------------------------------- Package : lha Vulnerability : several Problem-Type : local Debian-specific: no CVE Ids : CAN-2004-0234 CAN-2004-0235 Two vulnerabilities were discovered in lha: - CAN-2004-0234 - Multiple stack-based buffer overflows in the get_header function in header.c for LHA 1.14 allow remote attackers or local users to execute arbitrary code via long directory or file names in an LHA archive, which triggers the overflow when testing or extracting the archive. - CAN-2004-0235 - Multiple directory traversal vulnerabilities in LHA 1.14 allow remote attackers or local users to create arbitrary files via an LHA archive containing filenames with (1) .. sequences or (2) absolute pathnames with double leading slashes ("//absolute/path"). For the current stable distribution (woody), these problems have been fixed in version 1.14i-2woody1. For the unstable distribution (sid), these problems have been fixed in version 1.14i-8. We recommend that you update your lha 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/non-free/l/lha/lha_1.14i-2woody1.dsc Size/MD5 checksum: 556 22b59156de011ddb84b0eaed4f174d2c http://security.debian.org/pool/updates/non-free/l/lha/lha_1.14i-2woody1.diff.gz Size/MD5 checksum: 21414 0f990fd920ea4770dd088a97c1c87f18 http://security.debian.org/pool/updates/non-free/l/lha/lha_1.14i.orig.tar.gz Size/MD5 checksum: 64196 10410742b0169f3357ef9a3f0f032037 Alpha architecture: http://security.debian.org/pool/updates/non-free/l/lha/lha_1.14i-2woody1_alpha.deb Size/MD5 checksum: 64820 b7e55241026435e0c882178f6606f33b ARM architecture: http://security.debian.org/pool/updates/non-free/l/lha/lha_1.14i-2woody1_arm.deb Size/MD5 checksum: 55542 62be18e035d6faedb4d990f16081d74e Intel IA-32 architecture: http://security.debian.org/pool/updates/non-free/l/lha/lha_1.14i-2woody1_i386.deb Size/MD5 checksum: 50090 7548e83cb7049fe43243f804eb456ed7 Intel IA-64 architecture: http://security.debian.org/pool/updates/non-free/l/lha/lha_1.14i-2woody1_ia64.deb Size/MD5 checksum: 73588 32e62b8fbd0cf2ef64d7838d005ef19e Motorola 680x0 architecture: http://security.debian.org/pool/updates/non-free/l/lha/lha_1.14i-2woody1_m68k.deb Size/MD5 checksum: 48632 bd5ce2c34a44952abf757993153fe238 PowerPC architecture: http://security.debian.org/pool/updates/non-free/l/lha/lha_1.14i-2woody1_powerpc.deb Size/MD5 checksum: 55160 9d8225135b7c6abe443a4d0d4fc27245 IBM S/390 architecture: http://security.debian.org/pool/updates/non-free/l/lha/lha_1.14i-2woody1_s390.deb Size/MD5 checksum: 53930 02c5e52b834539a30bd76f2e90265fb8 Sun Sparc architecture: http://security.debian.org/pool/updates/non-free/l/lha/lha_1.14i-2woody1_sparc.deb Size/MD5 checksum: 56526 8323a0469ef41c7fcf8b84c4b5f1a7ce 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 v1.2.4 (GNU/Linux) iD8DBQFAwi9kArxCt0PiXR4RAtG3AKCtP0m2hbcPCG2y1hPXPYA2iLTkyACg0g15 BkEdgvrmYOhmBy2sbOzYIoc= =v4b1 - -----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 iQCVAwUBQMO7LSh9+71yA2DNAQIs7QP9EAtmkwby10huDDUXdYvjApug89pwdAHm SpnkZAVlmeFLbcvgxA9eJHDyS1P75q0t3iIFht9KaU1d14+mhSxft2JcTAAWd/UR 5hzP46pe9reiaDJlt8iNLki68JS0WZh+yCDRz4CPx2cYoAJQOQEQhfw5w27WiKvm Vb+Wq9pzn2c= =X0HV -----END PGP SIGNATURE-----