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SUSE Security Summary Report
Announcement ID: SUSE-SR:2007:024 Date: Thu, 22 Nov 2007 18:00:00 +0000 Cross-References: CVE-2007-2741, CVE-2007-2865, CVE-2007-3227 CVE-2007-3999, CVE-2007-5116, CVE-2007-5162 CVE-2007-5707, CVE-2007-5708, CVE-2007-5728 CVE-2007-5770, CVE-2007-6035
Content of this advisory: 1) Solved Security Vulnerabilities: - cacti SQL injection bug - openldap2 remote denial of service - phpPgAdmin XSS problems - ruby SSL certificate verification process - perl regular expression buffer overflow - rubygem-activesupport XSS problem - yast2-core modules loaded from current directory - librpcsecgss also affected by GSSAPI problems - liblcms ICC profile parsing problem 2) Pending Vulnerabilities, Solutions, and Work-Arounds: - SUSE Linux 10.0 going towards end of support - Kernel Updates 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.
- cacti SQL injection bug
A SQL injection bug in cacti was fixed.
The issue is tracked by Mitre CVE ID CVE-2007-6035 and was fixed for SUSE Linux 10.0,10.1, and openSUSE 10.2, and 10.3
- openldap2 remote denial of service
Multiple flaws were fixed that could cause the OpenLDAP slapd to crash (CVE-2007-5707, CVE-2007-5708).
- phpPgAdmin XSS problems
Several flaws in phpPgAdmin were fixed that could be exploited by remote attackers to perform cross site scripting (XSS) attacks (CVE-2007-2865, CVE-2007-5728).
phpPgAdmin was fixed for openSUSE 10.2.
- ruby SSL certificate verification process
ruby was updated to improve the SSL certificate verification process. (CVE-2007-5162, CVE-2007-5770) Prior to this update it was possible to intercept SSL traffic with a man-in-the-middle attack.
Fixed ruby packages are available for all distributions with ruby SSL support.
- perl regular expression buffer overflow
A buffer overflow in perl's regex engine was fixed.
The issue is tracked by the Mitre CVE ID CVE-2007-5116 and fixed perl packages have been released for all distributions.
- rubygem-activesupport XSS problem
rubygem-activesupport packages were released for all affected distributions.
- yast2-core modules loaded from current directory
A security bug in yast2-core was fixed that allowed local attackers to provide malicious yast2 modules to yast2 that are executed with root privileges.
To trigger this vulnerability root has to execute yast2 in an untrusted directory (i.e. /tmp), since modules were searched in the current working directory first.
Thanks to Stefan Nordhausen for reporting this to us.
- librpcsecgss also affected by GSSAPI problems
A security problem was fixed in the librpcsecgss library used by NFSv4 also found in krb5. A invalid packet could underflow and potentially cause memory corruption and code execution. (CVE-2007-3999)
It is unknown if the problematic code path is exploitable for this package.
- liblcms ICC profile parsing problem
Several security bugs were fixed in liblcms that occurred while parsing ICC profiles in JPEG images. (CVE-2007-2741) Remote attackers can exploit this bug to execute arbitrary commands or cause denial-of-service.
liblcms was updated for all distributions. ______________________________________________________________________________
2) Pending Vulnerabilities, Solutions, and Work-Arounds
- SUSE Linux 10.0 going towards end of support
Starting this week we no longer open new bugs for SUSE Linux 10.0.
We currently drain the queue of the security problems known before and so draw towards end of support in some weeks.
We strongly recommend upgrading to a newer openSUSE version.
- Kernel Updates
We are currently preparing kernel updates for SUSE Linux 10.1, openSUSE 10.3 and SUSE Linux Enterprise 10 to fix various security problems and lots of bugs. ______________________________________________________________________________
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.
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