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TITLE:
Viscosity "ViscosityHelper" Privilege Escalation Vulnerability

SECUNIA ADVISORY ID:
SA50204

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/50204/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=50204

RELEASE DATE:
2012-08-14

DISCUSS ADVISORY:
http://secunia.com/advisories/50204/#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/50204/

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=50204

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:
Jason A. Donenfeld has discovered a vulnerability in Viscosity, which
can be exploited by malicious, local users to gain escalated
privileges.

The vulnerability is caused due to the setuid-set ViscosityHelper
binary insecurely executing certain scripts and can be exploited to
gain escalated privileges via symlink attacks.

The vulnerability is confirmed in version 1.4 on Mac OS X. Other
versions may also be affected.

SOLUTION:
No official solution is currently available.

PROVIDED AND/OR DISCOVERED BY:
Jason A. Donenfeld

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/fulldisclosure/2012-08/0128.html

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


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