Sun SNMP Management Agent (SUNWmasf) symlink

snmp-managementagent-symlink (47619)

Medium Risk

Description:

Sun SNMP Management Agent (SUNWmasf) could allow a local attacker to launch a symlink attack. The SNMP Management Agent creates temporary files insecurely. A local attacker could exploit this vulnerability by creating a symbolic link from a temporary file to various files on the system, which could allow the attacker to overwrite arbitrary files on the system with elevated privileges or gain root privileges.

*CVSS:

Base Score:	6.9
Access Vector:	Local
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	6
Exploitability:	High
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Privileges

Remedy:

Refer to Sun Alert ID: 248646 for patch, upgrade or suggested workaround information. See References.

References:

• Sun Alert ID: 248646: Insecure Temporary File Usage Vulnerability in Sun SNMP Management Agent.
• ASA-2009-010: Insecure Temporary File Usage Vulnerability in Sun SNMP Management Agent (Sun 248646)
• BID-33014: Sun SNMP Management Agent Insecure Temporary File Creation Vulnerability
• CVE-2008-5746: Sun SNMP Management Agent (SUNWmasf) 1.4u2 through 1.5.4 allows local users to overwrite arbitrary files and gain privileges via a symlink attack on temporary files.
• SA33328: Sun SNMP Management Agent Insecure Temporary Files
• SECTRACK ID: 1021496: Sun SNMP Management Agent Temporary File Flaw Lets Local Users Gain Elevated Privileges

Platforms Affected:

• Sun SNMP Management Agent 1.4 2
• Sun SNMP Management Agent 1.5.3
• Sun SNMP Management Agent 1.5.4

Reported:

Dec 24, 2008

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