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Secunia Security Advisory 49989

Secunia Security Advisory 49989
Posted Jul 23, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in eCryptfs, which can be exploited by malicious, local users to potentially gain escalated privileges.

tags | advisory, local
MD5 | c1cb7609544999e008794ef412001c55

Secunia Security Advisory 49989

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TITLE:
eCryptfs Filesystem Mounting Privilege Escalation Vulnerability

SECUNIA ADVISORY ID:
SA49989

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49989/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49989

RELEASE DATE:
2012-07-23

DISCUSS ADVISORY:
http://secunia.com/advisories/49989/#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/49989/

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=49989

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 vulnerability has been reported in eCryptfs, which can be exploited
by malicious, local users to potentially gain escalated privileges.

The vulnerability is caused due to the application insecurely
mounting filesystems without the MS_NOSUID and MS_NODEV flags, which
can be exploited to mount and execute setuid-root binaries.

The vulnerability is reported in versions prior to 0.99.

SOLUTION:
Update to version 0.99.

PROVIDED AND/OR DISCOVERED BY:
Sebastian Krahmer, SUSE.

ORIGINAL ADVISORY:
https://launchpad.net/ubuntu/+source/ecryptfs-utils/99-0ubuntu1
https://bugzilla.novell.com/show_bug.cgi?id=740110

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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