IBM AIX rmpvc denial of service

aix-rmpvc-dos (35845)

Medium Risk

Description:

IBM AIX is vulnerable to a buffer overflow, caused by improper bounds checking by the rmpvc service. By sending a specially-crafted rmpvc command containing an overly long port logical name, a local attacker could overflow a buffer and cause the system to crash.

*CVSS:

Base Score:	3.5
Access Vector:	Local
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Complete
Temporal Score:	2.6
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Refer to IBM APAR IY93393 for patch, upgrade, or suggested workaround information. See References.

References:

• IBM APAR IY93393: buffer overflow vulnerability in rmpvc.
• BID-25217: IBM RMPVC Command Local Buffer Overflow Vulnerability
• CVE-2007-4228: rmpvc on IBM AIX 4.3 allows local users to cause a denial of service (system crash) via long port logical name (-l) argument.
• SA26349: IBM AIX "rmpvc" Buffer Overflow Vulnerability
• SECTRACK ID: 1018522: AIX rmpvc Buffer Overflow Lets Local Users Deny Service
• VUPEN/ADV-2007-2796: IBM AIX rmpvc Command Argument Handling Denial of Service Vulnerability

Platforms Affected:

• IBM AIX 4.3

Reported:

Aug 06, 2007

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The information within this database 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 IBM 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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