Protect yourself against future threats.
=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2008.0895 -- [Debian] New twiki packages execution of arbitrary code 23 September 2008 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: twiki Publisher: Debian Operating System: Debian GNU/Linux 4.0 Impact: Read-only Data Access Access: Remote/Unauthenticated CVE Names: CVE-2008-3195 CVE-2008-4112 Ref: ESB-2008.0878 Original Bulletin: http://www.debian.org/security/2008/dsa-1639 Comment: There appears to be two CVE Names (CVE-2008-4112 and CVE-2008-3195) allocated to this vulnerability. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - ------------------------------------------------------------------------ Debian Security Advisory DSA-1639-1 security@debian.org http://www.debian.org/security/ Steve Kemp September 19, 2008 http://www.debian.org/security/faq - - ------------------------------------------------------------------------ Package : twiki Vulnerability : command execution Problem type : remote Debian-specific: no CVE Id(s) : CVE-2008-3195 Debian Bug : 499534 It was discovered that twiki, a web based collaboration platform, didn't properly sanitize the image parameter in its configuration script. This could allow remote users to execute arbitrary commands upon the system, or read any files which were readable by the webserver user. For the stable distribution (etch), this problem has been fixed in version 1:4.0.5-9.1etch1. For the unstable distribution (sid), this problem will be fixed soon. We recommend that you upgrade your twiki 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 4.0 alias etch - - ------------------------------- Source archives: http://security.debian.org/pool/updates/main/t/twiki/twiki_4.0.5-9.1etch1.dsc Size/MD5 checksum: 657 402a4ba19643a0a537c9f790bd03c9d0 http://security.debian.org/pool/updates/main/t/twiki/twiki_4.0.5.orig.tar.gz Size/MD5 checksum: 4264148 d984b90886c12601b76f51419bb5352b http://security.debian.org/pool/updates/main/t/twiki/twiki_4.0.5-9.1etch1.diff.gz Size/MD5 checksum: 40238 265511661493e751ffce5ba2b00c1555 Architecture independent packages: http://security.debian.org/pool/updates/main/t/twiki/twiki_4.0.5-9.1etch1_all.deb Size/MD5 checksum: 4254028 cd6524136eca86aefb207cc86abce619 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 <pkg>' and http://packages.debian.org/<pkg> - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFI0/xqwM/Gs81MDZ0RAuyxAKDkEOe+fr78WK0CUe56xuVypEmB2ACg097f dvE1s1Hj/XgkcgG1Y4PDwno= =hzuq - -----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. NOTE: Third Party Rights 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 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 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 iQCVAwUBSNg1Cih9+71yA2DNAQK3uQP/ewS5IImtmBtw6ivbbN7CcygR6QJ0Rkx7 IxcWfCJwiY4sF39iP/p/gjyjaAEJAVide83zKHsZRbHvKvayv2CSpwDVODXbYCYc uroVECfK4ebsnuTScGZI4qxfUxyKl6JwjRDkx9Z5s//W5LU52AX6Nq31YHHFfLiK xOFFesoKJ2g= =iZ5c -----END PGP SIGNATURE-----