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The U.S. Department of Energy
Computer Incident Advisory Capability
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INFORMATION BULLETIN
phpBB Vulnerabilities
[Debian Security Advisory DSA-1488-1]
February 11, 2008 19:00 GMT Number S-166
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PROBLEM: Several remote vulnerabilities have been discovered in phpBB, a
web based bulletin board.
PLATFORM: Debian GNU/Linux 3.1 (sarge) and 4.0 (etch)
DAMAGE: An attacker can perform various actions on behalf of a logged
in user.
SOLUTION: Upgrade to the appropriate version.
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VULNERABILITY The risk is MEDIUM. Cross site request forgery enabled an
ASSESSMENT: attacker to perform various actions on behalf of a logged in
user.
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LINKS:
CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/s-166.shtml
ORIGINAL BULLETIN: http://www.debian.org/security/2008/dsa-1488
CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=
CVE-2006-4758 CVE-2006-6508 CVE-2006-6839 CVE-2006-6840
CVE-2006-6841 CVE-2008-0471
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[***** Start Debian Security Advisory DSA-1488-1 *****]
Debian Security Advisory
DSA-1488-1 phpbb2 -- several vulnerabilities
Date Reported:
09 Feb 2008
Affected Packages:
phpbb2
Vulnerable:
Yes
Security database references:
In the Debian bugtracking system: Bug 388120, Bug 405980, Bug 463589.
In Mitre's CVE dictionary: CVE-2006-4758, CVE-2006-6839, CVE-2006-6840, CVE-2006-6508, CVE-2006-6841, CVE-2008-0471.
More information:
Several remote vulnerabilities have been discovered in phpBB, a web based bulletin board.
The Common Vulnerabilities and Exposures project identifies the following problems:
CVE-2008-0471
Private messaging allowed cross site request forgery, making it possible to delete all private messages of a user by sending them to a crafted web page.
CVE-2006-6841 / CVE-2006-6508
Cross site request forgery enabled an attacker to perform various actions on behalf of a logged in user. (Applies to sarge only.)
CVE-2006-6840
A negative start parameter could allow an attacker to create invalid output. (Applies to sarge only.)
CVE-2006-6839
Redirection targets were not fully checked, leaving room for unauthorised external redirections via a phpBB forum. (Applies to sarge only.)
CVE-2006-4758
An authenticated forum administrator may upload files of any type by using specially crafted filenames. (Applies to sarge only.)
For the old stable distribution (sarge), these problems have been fixed in version 2.0.13+1-6sarge4.
For the stable distribution (etch), these problems have been fixed in version 2.0.21-7.
For the unstable distribution (sid) these problems have been fixed in version 2.0.22-3.
We recommend that you upgrade your phpbb2 package.
Fixed in:
Debian GNU/Linux 3.1 (sarge)
Source:
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2_2.0.13+1-6sarge4.diff.gz
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2_2.0.13+1.orig.tar.gz
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2_2.0.13+1-6sarge4.dsc
Architecture-independent component:
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2-conf-mysql_2.0.13-6sarge4_all.deb
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2_2.0.13-6sarge4_all.deb
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2-languages_2.0.13-6sarge4_all.deb
Debian GNU/Linux 4.0 (etch)
Source:
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2_2.0.21-7.dsc
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2_2.0.21.orig.tar.gz
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2_2.0.21-7.diff.gz
Architecture-independent component:
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2-languages_2.0.21-7_all.deb
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2_2.0.21-7_all.deb
http://security.debian.org/pool/updates/main/p/phpbb2/phpbb2-conf-mysql_2.0.21-7_all.deb
MD5 checksums of the listed files are available in the original advisory.
[***** End Debian Security Advisory DSA-1488-1 *****]
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CIAC wishes to acknowledge the contributions of Debian for the
information contained in this bulletin.
_______________________________________________________________________________
CIAC, the Computer Incident Advisory Capability, is the computer
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