Tcl tclWinReg.c buffer overflow

tcl-tclwinreg-bo (34515)

High Risk

Description:

Tcl is vulnerable to a buffer overflow in the tcl/win/tclWinReg.c file. By creating a specially-crafted registry key and persuading another user to query the registry key using Tcl, a local attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges.

*CVSS:

Base Score:	5.6
Access Vector:	Local
Access Complexity:	High
Authentication:	Not Required
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	4.1
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Privileges

Remedy:

Upgrade to the latest version of Tcl (8.4.15 or later), available from the SourceForge.net: Tcl Web site. See References.

References:

• SourceForge.net: Detail: 1682211: tcl crashes on asking certain keys for sub keys. (Remedy: Update to version 8.4.15)
• SourceForge.net: Files: Tcl - File Release Notes and Changelog - Release Name: 8.4.15.
• SourceForge.net: Tcl Web site: Tcl.
• CVE-2007-2877: Buffer overflow in tcl/win/tclWinReg.c in Tcl (Tcl/Tk) before 8.5a6 allows local users to gain privileges via long registry key paths.
• SA25401: Tcl Windows Registry Key Buffer Overflow

Platforms Affected:

• Tcl Developer Exchange TCL prior to 8.4.15

Reported:

May 25, 2007

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For corrections or additions please email xforce@iss.net

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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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