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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2009.1212.2 New wordpress packages fix several vulnerabilities 27 August 2009 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: wordpress Publisher: Debian Operating System: Debian GNU/Linux Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Provide Misleading Information -- Remote/Unauthenticated Increased Privileges -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Unauthorised Access -- Remote/Unauthenticated Modify Arbitrary Files -- Remote/Unauthenticated Create Arbitrary Files -- Remote/Unauthenticated Cross-site Scripting -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2009-2854 CVE-2009-2853 CVE-2009-2851 CVE-2009-2334 CVE-2008-6767 CVE-2008-6762 CVE-2008-5113 CVE-2008-4796 CVE-2008-4769 CVE-2008-4106 CVE-2008-1502 Reference: ASB-2009.1058 ESB-2009.1035 Original Bulletin: http://www.debian.org/security/2009/dsa-1871 Revision History: August 27 2009: Updated packages for Debian 4.0 due to a regression with the original patch August 24 2009: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - ------------------------------------------------------------------------ Debian Security Advisory DSA-1871-2 security@debian.org http://www.debian.org/security/ Steffen Joeris August 27, 2009 http://www.debian.org/security/faq - - ------------------------------------------------------------------------ Package : wordpress Vulnerability : several vulnerabilities Problem type : remote Debian-specific: no CVE IDs : CVE-2008-6762 CVE-2008-6767 CVE-2009-2334 CVE-2009-2854 CVE-2009-2851 CVE-2009-2853 CVE-2008-1502 CVE-2008-4106 CVE-2008-4769 CVE-2008-4796 CVE-2008-5113 Debian Bugs : 531736 536724 504243 500115 504234 504771 The previous wordpress update introduced a regression when fixing CVE-2008-4769 due to a function that was not backported with the patch. Please note that this regression only affects the oldstable distribution (etch). For reference the original advisory text follows. Several vulnerabilities have been discovered in wordpress, weblog manager. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2008-6762 It was discovered that wordpress is prone to an open redirect vulnerability which allows remote attackers to conduct phishing atacks. CVE-2008-6767 It was discovered that remote attackers had the ability to trigger an application upgrade, which could lead to a denial of service attack. CVE-2009-2334 It was discovered that wordpress lacks authentication checks in the plugin configuration, which might leak sensitive information. CVE-2009-2854 It was discovered that wordpress lacks authentication checks in various actions, thus allowing remote attackers to produce unauthorised edits or additions. CVE-2009-2851 It was discovered that the administrator interface is prone to a cross-site scripting attack. CVE-2009-2853 It was discovered that remote attackers can gain privileges via certain direct requests. CVE-2008-1502 It was discovered that the _bad_protocol_once function in KSES, as used by wordpress, allows remote attackers to perform cross-site scripting attacks. CVE-2008-4106 It was discovered that wordpress lacks certain checks around user information, which could be used by attackers to change the password of a user. CVE-2008-4769 It was discovered that the get_category_template function is prone to a directory traversal vulnerability, which could lead to the execution of arbitrary code. CVE-2008-4796 It was discovered that the _httpsrequest function in the embedded snoopy version is prone to the execution of arbitrary commands via shell metacharacters in https URLs. CVE-2008-5113 It was discovered that wordpress relies on the REQUEST superglobal array in certain dangerous situations, which makes it easier to perform attacks via crafted cookies. For the stable distribution (lenny), these problems have been fixed in version 2.5.1-11+lenny1. For the oldstable distribution (etch), these problems have been fixed in version 2.0.10-1etch5. For the testing distribution (squeeze) and the unstable distribution (sid), these problems have been fixed in version 2.8.3-1. We recommend that you upgrade your wordpress packages. 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 - - ------------------------------- Debian (oldstable) - - ------------------ Oldstable updates are available for alpha, amd64, arm, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc. Source archives: http://security.debian.org/pool/updates/main/w/wordpress/wordpress_2.0.10-1etch5.dsc Size/MD5 checksum: 607 303f4e7e168c04dddd64ae2b7300337e http://security.debian.org/pool/updates/main/w/wordpress/wordpress_2.0.10.orig.tar.gz Size/MD5 checksum: 520314 e9d5373b3c6413791f864d56b473dd54 http://security.debian.org/pool/updates/main/w/wordpress/wordpress_2.0.10-1etch5.diff.gz Size/MD5 checksum: 51120 9dcee118356aa6950bd4b994b6c11def Architecture independent packages: http://security.debian.org/pool/updates/main/w/wordpress/wordpress_2.0.10-1etch5_all.deb Size/MD5 checksum: 521174 18a19046fd5707ea64745818a5a673f6 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 v1.4.9 (GNU/Linux) iEYEARECAAYFAkqV4ikACgkQ62zWxYk/rQdotQCgjiKsdrXbsJXlIXdVQrK3GYqw 2coAoKgap9O07N4joqv8DgoezQrjc8Sc =7kNW - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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 iD8DBQFKlejsNVH5XJJInbgRAsadAJ4ju+xnqMNEZYUh3uOtwt3SS9RgKwCfVNZz Lbeym5GsNN91+k4nL/DLL6E= =yx14 -----END PGP SIGNATURE-----