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Windows Applications Insecure Library Loading

The Official, Verified Secunia List:
http://secunia.com/advisories/windows_insecure_library_loading/

The list is continuously updated as we confirm the vulnerability reports so check back regularly too see if any of your apps are affected.


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TITLE:
phpCAS Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA41655

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/41655/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=41655

RELEASE DATE:
2010-09-30

DISCUSS ADVISORY:
http://secunia.com/advisories/41655/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/41655/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=41655

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A security issue and some vulnerabilities have been reported in
phpCAS, which can be exploited by malicious users to perform certain
actions with escalated privileges and disclose sensitive information
and by malicious people to conduct cross-site scripting attacks.

1) The security issue is caused due to an error in the "write()"
function in PGTStorage/pgt-file.php when writing to "PGT Iou" files.
This can be exploited to overwrite arbitrary files via symlink
attacks.

2) Certain unspecified input is not properly verified before being
used to read files in the "validatePGT()" function in CAS/client.php.
This can be exploited to read arbitrary files from local resources via
directory traversal sequences.

3) Input passed via the "pgtId" and the "pgtIou" parameters is not
properly sanitised in the "callback()" function in CAS/client.php
before being returned to the user. This can be exploited to execute
arbitrary HTML and script code in a user's browser session in context
of an affected site.

The security issue and the vulnerabilities are reported in versions
1.0.1, 1.1.0, 1.1.1, and 1.1.2.

SOLUTION:
Fixed in the SVN repository. Reportedly, the security issue and the
vulnerabilities will be fixed in the upcoming versions 1.1.3 and
1.2.0.

PROVIDED AND/OR DISCOVERED BY:
Reported by Raphael Geissert in a Debian bug.

ORIGINAL ADVISORY:
https://issues.jasig.org/browse/PHPCAS-80
https://developer.jasig.org/source/changelog/jasigsvn?cs=21538
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=495542

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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