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Secunia Security Advisory 47377

Secunia Security Advisory 47377
Posted Jan 4, 2012
Authored by Secunia | Site secunia.com

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

tags | advisory, local
SHA-256 | e25d23405588282cba23ead78a762f589ffaa0fceff770dbe058aaae863a4f30

Secunia Security Advisory 47377

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TITLE:
lio-utils Debug Mode Logic Error Temporary File Security Issue

SECUNIA ADVISORY ID:
SA47377

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47377/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47377

RELEASE DATE:
2012-01-03

DISCUSS ADVISORY:
http://secunia.com/advisories/47377/#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/47377/

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=47377

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 reported in lio-utils, which can be
exploited by malicious, local users to perform certain actions with
escalated privileges.

The security issue is caused due to a logic error within the
/etc/init.d/target script when checking for the debug mode, which can
lead to the script running in debug mode although it's not configured
to do so. As the script creates the temporary file /tmp/tgtctl.dbug
in an insecure manner when running in debug mode, this can be
exploited to e.g. append data to arbitrary files via symlink
attacks.

The security issue is reported in version 4.1 Other versions may also
be affected.

SOLUTION:
Restrict access to trusted users.

PROVIDED AND/OR DISCOVERED BY:
Reported in a Debian bug by Aurelien Jarno.

ORIGINAL ADVISORY:
Debian Bug #654262:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=654262

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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