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Secunia Security Advisory 50940

Secunia Security Advisory 50940
Posted Oct 11, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A security issue has been discovered in RubyInstaller, which can be exploited by malicious, local users to perform certain actions with escalated privileges.

tags | advisory, local
SHA-256 | adb2b69a62b628a480794f4b5bd2dba360b62a903066c9d67426252cb2367f2c

Secunia Security Advisory 50940

Change Mirror Download
----------------------------------------------------------------------

The final version of the CSI 6.0 has been released.
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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TITLE:
RubyInstaller Insecure File System Permissions Security Issue

SECUNIA ADVISORY ID:
SA50940

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/50940/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=50940

RELEASE DATE:
2012-10-11

DISCUSS ADVISORY:
http://secunia.com/advisories/50940/#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/50940/

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=50940

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 has been discovered in RubyInstaller, which can be
exploited by malicious, local users to perform certain actions with
escalated privileges.

The security issue is caused due to the application setting insecure
file system permissions on the installation directory and can be
exploited to overwrite files (e.g. "C:\Ruby193\bin") and execute
programs with privileges of another user.

The security issue is confirmed in version 1.9.3-p194. Other versions
may also be affected.

SOLUTION:
No official solution is currently available.

PROVIDED AND/OR DISCOVERED BY:
High-Tech Bridge

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/

----------------------------------------------------------------------

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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