Netrek Vanilla Server vsprintf format string

vanilla-vsprintf-format-string (32777) The risk level is classified as HighHigh Risk

Description:

Netrek Vanilla Server could allow a remote attacker to execute arbitrary commands on the system, caused by a format string vulnerability in the vsprintf function. If EVENTLOG=1 in etc/sysdef server configuration, an attacker could exploit this vulnerability by sending a specially-crafted argument containing malicious format string specifiers, which would allow the attacker to execute arbitrary commands or cause the server to crash.

*CVSS:

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

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Netrek Vanilla Server (4.50 or later), available from the SourceForget.net: Files Web site. See References.

References:

  • BugTraq Mailing List, Fri Mar 02 2007 - 15:43:30 CST : Limited format string in Netrek 2.12.0.
  • SourceForget.net: Files: Netrek - File Release Notes and Changelog - Release Name: netrek-server-vanilla 2.12.1.
  • BID-22786: Netrek Vanilla Server EVENTLOG Format String Vulnerability
  • CVE-2007-1251: Format string vulnerability in the new_warning function in ntserv/warning.c for Netrek Vanilla Server 2.12.0, when EVENTLOG is enabled, allows remote attackers to cause a denial of service (crash) or execute arbitrary code via format string specifiers in the message handling.
  • SA24357: Netrek Vanilla Server EVENTLOG Format String Vulnerability
  • VUPEN/ADV-2007-0815: Netrek Vanilla Server new_warning() Function Remote Format String Vulnerability

Platforms Affected:

  • Netrek Vanilla Server Netrek Vanilla Server prior to 2.12.1

Reported:

Mar 02, 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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