A vulnerability was found in SGI IRIX 6.3/6.4 (Operating System). It has been rated as critical. This issue affects some unknown processing of the file ipxchk/ipxlink of the component NetWare Client 1.0. The manipulation of the argument IFS as part of a Environment Variable leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Vulnerabilities in (1) ipxchk and (2) ipxlink in NetWare Client 1.0 on IRIX 6.3 and 6.4 allows local users to gain root access via a modified IFS environmental variable.

The issue has been introduced in 09/01/1996. The weakness was released 04/08/1998 as not defined posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. The identification of this vulnerability is CVE-1999-1040. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 584 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at patches.sgi.com.

ciac.llnl.gov is providing further details. Entry connected to this vulnerability is available at 14113.

Productinfo

Type

• Operating System

Vendor

• SGI

Name

• IRIX

Version

• 6.3
• 6.4

License

• commercial

Support

• end of life

CPE 2.3info

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CPE 2.2info

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