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PAM-MySQL SQL Logging and Authentication Vulnerabilities
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Secunia Advisory:
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SA18598
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Release Date:
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2006-02-09
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Last Update:
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2006-02-16
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | PAM-MySQL 0.x
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| | CVE reference: | CVE-2006-0056 (Secunia mirror)
CVE-2005-4713 (Secunia mirror)
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Description:
Some vulnerabilities have been reported in PAM-MySQL, which potentially can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system.
1) An unspecified error in the SQL logging facility can potentially be exploited to cause a DoS.
2) A double-free error exists in the authentication and authentication token alteration code when handling a pointer returned by the "pam_get_item()" function. This can be exploited by supplying a specially crafted password, which results in a DoS or can potentially be exploited to execute arbitrary code.
The vulnerabilities have been reported in versions 0.6.1 and 0.7pre2. Prior versions may also be affected.
Solution:
Update to version 0.6.2.
The vulnerabilities have also been addressed in version 0.7pre3.
Provided and/or discovered by:
Reported by the vendor.
Changelog:
2006-02-16: Added CVE reference.
Original Advisory:
PAM-MySQL:
http://pam-mysql.sourceforge.net/News/00005.php
http://sourceforge.net/forum/forum.php?forum_id=499394
JVN:
http://jvn.jp/cert/JVNVU%23693909/index.html
Other References:
US-CERT VU#693909:
http://www.kb.cert.org/vuls/id/693909
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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