Stunnel Windows privilege escalation

stunnel-windows-privilege-escalation (42526)

High Risk

Description:

An unspecified error in Michael Trojnara's Stunnel, when running as a Windows service, could allow a local attacker to execute arbitrary commands with LocalSystem privileges on the vulnerable system.

*CVSS:

Base Score:	4.4
Access Vector:	Local
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	3.3
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Privileges

Remedy:

Upgrade to the latest version of Stunnel (4.23 or later), available from the Stunnel Web site. See References.

References:

• Stunnel Web site: Download Stunnel.
• stunnel-announce Mailing List, Sat May 3 22:51:28 CEST 2008: stunnel 4.23 released.
• BID-29285: Stunnel Windows Unspecified Local Privilege Escalation Vulnerability
• CVE-2008-2400: Unspecified vulnerability in stunnel before 4.23, when running as a service on Windows, allows local users to gain privileges via unknown attack vectors.
• SA30297: Stunnel Windows Privilege Escalation Vulnerability
• SECTRACK ID: 1020049: Stunnel Lets Local Users Gain Elevated Privileges
• VUPEN/ADV-2008-1568: Stunnel for Windows Unspecified Privilege Escalation Vulnerability

Platforms Affected:

• Stunnel Stunnel 0.1
• Stunnel Stunnel 1.0
• Stunnel Stunnel 1.1
• Stunnel Stunnel 1.2
• Stunnel Stunnel 1.3
• Stunnel Stunnel 1.4
• Stunnel Stunnel 1.5
• Stunnel Stunnel 1.6
• Stunnel Stunnel 2.0
• Stunnel Stunnel 2.1
• Stunnel Stunnel 3.0 b4
• Stunnel Stunnel 3.0 b7
• Stunnel Stunnel 3.0 b6
• Stunnel Stunnel 3.0 b5
• Stunnel Stunnel 3.0 b3
• Stunnel Stunnel 3.0 b2
• Stunnel Stunnel 3.0 b1
• Stunnel Stunnel 3.0
• Stunnel Stunnel 3.1
• Stunnel Stunnel 3.10
• Stunnel Stunnel 3.11
• Stunnel Stunnel 3.12
• Stunnel Stunnel 3.13
• Stunnel Stunnel 3.14
• Stunnel Stunnel 3.15
• Stunnel Stunnel 3.16
• Stunnel Stunnel 3.17
• Stunnel Stunnel 3.18
• Stunnel Stunnel 3.19
• Stunnel Stunnel 3.2
• Stunnel Stunnel 3.20
• Stunnel Stunnel 3.21
• Stunnel Stunnel 3.21a
• Stunnel Stunnel 3.21b
• Stunnel Stunnel 3.21c
• Stunnel Stunnel 3.22
• Stunnel Stunnel 3.24
• Stunnel Stunnel 3.3
• Stunnel Stunnel 3.4a
• Stunnel Stunnel 3.5
• Stunnel Stunnel 3.6
• Stunnel Stunnel 3.7
• Stunnel Stunnel 3.8 p4
• Stunnel Stunnel 3.8 p3
• Stunnel Stunnel 3.8 p1
• Stunnel Stunnel 3.8 p2
• Stunnel Stunnel 3.8
• Stunnel Stunnel 3.9
• Stunnel Stunnel 4.0
• Stunnel Stunnel 4.01
• Stunnel Stunnel 4.02
• Stunnel Stunnel 4.03
• Stunnel Stunnel 4.04
• Stunnel Stunnel 4.05
• Stunnel Stunnel 4.06
• Stunnel Stunnel 4.07
• Stunnel Stunnel 4.08
• Stunnel Stunnel 4.09
• Stunnel Stunnel 4.10
• Stunnel Stunnel 4.11
• Stunnel Stunnel 4.12
• Stunnel Stunnel 4.13
• Stunnel Stunnel 4.14
• Stunnel Stunnel 4.15
• Stunnel Stunnel 4.16
• Stunnel Stunnel 4.17
• Stunnel Stunnel 4.18
• Stunnel Stunnel 4.19
• Stunnel Stunnel 4.20
• Stunnel Stunnel 4.21
• Stunnel Stunnel 4.22

Reported:

May 03, 2008

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