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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2004.0287 -- Debian Security Advisory DSA 488-1 New logcheck packages fix insecure temporary directory 19 April 2004 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: logcheck Publisher: Debian Operating System: Debian GNU/Linux 3.0 Linux Impact: Overwrite Arbitrary Files Access Required: Existing Account CVE Names: CAN-2004-0404 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - -------------------------------------------------------------------------- Debian Security Advisory DSA 488-1 security@debian.org http://www.debian.org/security/ Matt Zimmerman April 16th, 2004 http://www.debian.org/security/faq - - -------------------------------------------------------------------------- Package : logcheck Vulnerability : insecure temporary directory Problem-Type : local Debian-specific: no CVE Ids : CAN-2004-0404 Christian Jaeger reported a bug in logcheck which could potentially be exploited by a local user to overwrite files with root privileges. logcheck utilized a temporary directory under /var/tmp without taking security precautions. While this directory is created when logcheck is installed, and while it exists there is no vulnerability, if at any time this directory is removed, the potential for exploitation exists. For the current stable distribution (woody) this problem has been fixed in version 1.1.1-13.1woody1. For the unstable distribution (sid), this problem has been fixed in version 1.1.1-13.2. We recommend that you update your logcheck 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/l/logcheck/logcheck_1.1.1-13.1woody1.dsc Size/MD5 checksum: 613 8e01951f551f262ad2ca57543f8e365a http://security.debian.org/pool/updates/main/l/logcheck/logcheck_1.1.1-13.1woody1.diff.gz Size/MD5 checksum: 24812 e4e98736893194d3d59d01ba34e2f3e7 http://security.debian.org/pool/updates/main/l/logcheck/logcheck_1.1.1.orig.tar.gz Size/MD5 checksum: 29998 51c91fff337e30958df368c648911647 Architecture independent components: http://security.debian.org/pool/updates/main/l/logcheck/logcheck-database_1.1.1-13.1woody1_all.deb Size/MD5 checksum: 16450 f14aed68d079c1a64651c6c75ef1ab14 http://security.debian.org/pool/updates/main/l/logcheck/logcheck_1.1.1-13.1woody1_all.deb Size/MD5 checksum: 25146 c6f1446b5d520e42384ffb3408da864e http://security.debian.org/pool/updates/main/l/logcheck/logtail_1.1.1-13.1woody1_all.deb Size/MD5 checksum: 9338 5bfca1c9d03ee43a18d54df1be5891d9 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) iD8DBQFAgJOnArxCt0PiXR4RAiR+AJ9KtFWwZp6r/1ICXsPJkeYFTndPwQCeMOx9 lnvjNqt8qi8Jpfm+mkZX+7o= =pB4y - -----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 iQCVAwUBQIMeKih9+71yA2DNAQLfOAP/TGpsVEqFLtLIEjiL5NkRQlX6TI1mK+0D G3MMR6yYKNciLXIDtSPe8yW7usiQAgZTTC/tb2fpT81RfGmx1hWEavCBKOn/Z1n5 MqP7ZUsh5pe3sUo3pZw7a7iXCKorcJg+1Z8Ix1Uia/1fuTeov3SiGIhQwFitUlVc nQuUZFj/pvU= =3CgZ -----END PGP SIGNATURE-----