Microsoft Windows HyperTerminal session file buffer overflow
| win-hyperterminal-session-bo (18336) |  High Risk |
Description:
Microsoft Windows is vulnerable to a buffer overflow, caused by improper bounds checking in the HyperTerminal utility, which is used for connecting to remote computers through various methods. By creating a malicious HyperTerminal session file (.ht), a remote attacker could overflow the buffer and execute arbitrary code on the system, once the file is opened. An attacker could exploit this vulnerability by hosting the malicious file on a Web site or by sending it to a victim as an HTML email.
Consequences:
Gain Access
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS04-043. See References.
References:
- BugTraq Mailing List, Tue Dec 14 2004 - 16:59:45 CST: HyperTerminal - Buffer Overflow In .ht File.
- CIAC Information Bulletin P-056: Microsoft HyperTerminal Vulnerability.
- Microsoft Security Bulletin MS04-043: Vulnerability in HyperTerminal Could Allow Code Execution (873339).
- BID-11916: Hilgraeve HyperTerminal Session Data Buffer Overflow Vulnerability
- CVE-2004-0568: HyperTerminal application for Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 does not properly validate the length of a value that is saved in a session file, which allows remote attackers to execute arbitrary code via a malicious HyperTerminal session file (.ht), web site, or Telnet URL contained in an e-mail message, triggering a buffer overflow.
Platforms Affected:
- Microsoft Windows 2000 SP4
- Microsoft Windows 2000 SP3
- Microsoft Windows 2003 Server
- Microsoft Windows 2003 Server x64
- Microsoft Windows NT 4.0 SP6a Server
- Microsoft Windows NT 4.0 SP6 Terminal Server
- Microsoft Windows XP 2003 x64
- Microsoft Windows XP SP1 x64
- Microsoft Windows XP SP1
- Microsoft Windows XP SP2
Reported:
Dec 14, 2004
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