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TITLE:
Solaris inetd Debug Logging Symlink Security Issue

SECUNIA ADVISORY ID:
SA29654

VERIFY ADVISORY:
https://secunia.com/advisories/29654/

CRITICAL:
Not critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Sun Solaris 10
https://secunia.com/product/4813/

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

The security issue is caused due to the inetd daemon logging debug
messages to "/var/tmp/inetd.log". This can be exploited to e.g. write
data into another file and cause a DoS (Denial of Service) via symlink
attacks.

Successful exploitation requires that debug logging is enabled.

The security issue is reported in Solaris 10 for the SPARC and x86
platforms.

SOLUTION:
Apply patches.

SPARC platform:
Apply patch 127718-05 or later.

x86 platform:
Apply patch 127719-05 or later.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
https://sunsolve.sun.com/search/document.do?assetkey=1-66-233284-1

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
https://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
https://secunia.com/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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