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TITLE:
SUSE aaa_base "/etc/init.d/boot.localfs" Security Issue

SECUNIA ADVISORY ID:
SA43741

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43741/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43741

RELEASE DATE:
2011-03-15

DISCUSS ADVISORY:
http://secunia.com/advisories/43741/#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/43741/

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=43741

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:
SUSE has acknowledged a security issue in aaa_base, which can be
exploited by malicious, local users to perform certain actions with
escalated privileges.

The security issue is caused due to the /etc/init.d/boot.localfs
script creating the /dev/shm/mtab file in an insecure manner, which
can be exploited to e.g. overwrite arbitrary files via symlink
attacks.

SOLUTION:
Apply updated packages via the zypper package manager.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor within a Novell bug report.

ORIGINAL ADVISORY:
Novell Bug #665479:
https://bugzilla.novell.com/show_bug.cgi?id=665479

openSUSE-SU-2011:0171-1:
https://hermes.opensuse.org/messages/7611269

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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