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TITLE:
OpenEMR File Inclusion and Command Injection Vulnerabilities

SECUNIA ADVISORY ID:
SA47781

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47781/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47781

RELEASE DATE:
2012-02-01

DISCUSS ADVISORY:
http://secunia.com/advisories/47781/#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/47781/

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=47781

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:
High-Tech Bridge SA has discovered multiple vulnerabilities in
OpenEMR, which can be exploited by malicious users to disclose
sensitive information and compromise a vulnerable system and by
malicious people to disclose sensitive information.

1) Input passed via the "formname" parameter to
interface/patient_file/encounter/load_form.php,
interface/patient_file/encounter/load_form.php, and
interface/patient_file/encounter/trend_form.php is not properly
verified before being used to include files. This can be exploited to
include arbitrary files from local resources via directory traversal
attacks and URL-encoded NULL bytes.

2) Input passed via the "formname" parameter to
contrib/acog/print_form.php is not properly verified before being
used to include files. This can be exploited to include arbitrary
files from local resources via directory traversal attacks and
URL-encoded NULL bytes.

3) Input passed via the "file" parameter to
interface/fax/fax_dispatch.php is not properly sanitised before being
used in an "exec()" call. This can be exploited to inject and execute
arbitrary shell commands.

Successful exploitation of the vulnerabilities requires that
"magic_quotes_gpc" is disabled.

The vulnerabilities are confirmed in version 4.1.0. Other versions
may also be affected.

SOLUTION:
Install patch. Please see vendor's advisory for details.

PROVIDED AND/OR DISCOVERED BY:
High-Tech Bridge SA.

ORIGINAL ADVISORY:
HTB23069:
https://www.htbridge.ch/advisory/HTB23069

OpenEMR:
http://www.open-emr.org/wiki/index.php/OpenEMR_Patches

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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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.

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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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