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SUSE Security Summary Report
Announcement ID: SUSE-SR:2008:008 Date: Fri, 04 Apr 2008 16:00:00 +0000 Cross-References: CVE-2007-1003, CVE-2007-5958, CVE-2007-6427 CVE-2007-6428, CVE-2007-6429, CVE-2008-0006 CVE-2008-0553, CVE-2008-0983, CVE-2008-1111 CVE-2008-1270, CVE-2008-1482, CVE-2008-1515 CVE-2008-1552, CVE-2008-1561, CVE-2008-1562 CVE-2008-1563
Content of this advisory: 1) Solved Security Vulnerabilities: - wireshark security problems - otrs SOAP command execution - xine security problems - xgl various X related security fixes - silc-toolkit buffer overflow - lighttpd security problems - tk GIF problems 2) Pending Vulnerabilities, Solutions, and Work-Arounds: None listed this week. 3) Authenticity Verification and Additional Information
1) Solved Security Vulnerabilities
To avoid flooding mailing lists with SUSE Security Announcements for minor issues, SUSE Security releases weekly summary reports for the low profile vulnerability fixes. The SUSE Security Summary Reports do not list md5 sums or download URLs like the SUSE Security Announcements that are released for more severe vulnerabilities.
Fixed packages for the following incidents are already available on our FTP server and via the YaST Online Update.
- wireshark security problems
Multiple flaws in wireshark could lead to crashes when certain packets are processed (CVE-2008-1561,CVE-2008-1562,CVE-2008-1563)
These problems only affected wireshark in openSUSE 10.2 and 10.3 and were fixed there.
- otrs SOAP command execution
A bug in the trouble ticket system OTRS allowed a remote attacker to get remote access without specifying a valid user name via the SOAP interface (CVE-2008-1515).
otrs is only included on openSUSE 10.2 and 10.3 and was fixed there.
- xine security problems
Specially crafted files could cause integer overflows in the xine library.
Attackers could potentially exploit that to execute arbitrary code with the privileges of the user who opened such a file (CVE-2008-1482).
xine was updated on all SUSE Linux products containing xine.
- xgl various X related security fixes
Xgl uses the XFree86/X.Org code base and so was also affected by various integer overflow bugs found and fixed in those.
(CVE-2007-6429, CVE-2007-1003, CVE-2007-5958, CVE-2007-6427, CVE-2007-6428, CVE-2007-6429, CVE-2008-0006)
Xgl was updated on SUSE Linux Enterprise Desktop 10, SUSE Linux 10.1, openSUSE 10.2 and 10.3.
- silc-toolkit buffer overflow
A flaw in processing PKCS#1-Messages in silc-toolkit could lead to a buffer overflow. Remote attackers could exploit that to crash the server. (CVE-2008-1552)
Only openSUSE 10.3 contains silc-toolkit and was fixed.
- lighttpd security problems
Several security problems were fixed in lighttpd.
- Remote attackers were able to crash lighttpd by opening a large number of connections (CVE-2008-0983). - A bug in mod_cgi allowed remote attackers to read cgi source files (CVE-2008-1111). - A bug in mod_userdir allowed remote attackers to read arbitrary files (CVE-2008-1270).
lighttpd is only included in SUSE Linux Enterprise 10 (SDK), SUSE Linux 10.1, openSUSE 10.2 and 10.3 and was fixed for those distributions.
- tk GIF problems
Specially crafted GIF images could cause a buffer overflow and crash the toolkit library tk. It seems unlikely but not entirely impossible that this overflow can be exploited to execute arbitrary code (CVE-2008-0553).
Tk was updated on all products. ______________________________________________________________________________
2) Pending Vulnerabilities, Solutions, and Work-Arounds
3) Authenticity Verification and Additional Information
- Announcement authenticity verification:
SUSE security announcements are published via mailing lists and on Web sites. The authenticity and integrity of a SUSE security announcement is guaranteed by a cryptographic signature in each announcement. All SUSE security announcements are published with a valid signature.
To verify the signature of the announcement, save it as text into a file and run the command
gpg --verify <file>
replacing <file> with the name of the file containing the announcement. The output for a valid signature looks like:
gpg: Signature made <DATE> using RSA key ID 3D25D3D9 gpg: Good signature from "SuSE Security Team email@example.com"
where <DATE> is replaced by the date the document was signed.
If the security team's key is not contained in your key ring, you can import it from the first installation CD. To import the key, use the command
gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc
- Package authenticity verification:
SUSE update packages are available on many mirror FTP servers all over the world. While this service is considered valuable and important to the free and open source software community, the authenticity and integrity of a package needs to be verified to ensure that it has not been tampered with.
The internal RPM package signatures provide an easy way to verify the authenticity of an RPM package. Use the command
rpm -v --checksig <file.rpm>
to verify the signature of the package, replacing <file.rpm> with the filename of the RPM package downloaded. The package is unmodified if it contains a valid signature from firstname.lastname@example.org with the key ID 9C800ACA.
This key is automatically imported into the RPM database (on RPMv4-based distributions) and the gpg key ring of 'root' during installation. You can also find it on the first installation CD and included at the end of this announcement.
- SUSE runs two security mailing lists to which any interested party may subscribe:
email@example.com - General Linux and SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an e-mail to firstname.lastname@example.org.
email@example.com - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an e-mail to firstname.lastname@example.org.
===================================================================== SUSE's security contact is email@example.com or firstname.lastname@example.org. The email@example.com public key is listed below. ===================================================================== ______________________________________________________________________________
The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, the clear text signature should show proof of the authenticity of the text.
SUSE Linux Products GmbH provides no warranties of any kind whatsoever with respect to the information contained in this security advisory.
Type Bits/KeyID Date User ID pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team firstname.lastname@example.org pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key email@example.com
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