J-Security Center

Title: OS/2 4.5 FTP Server Login DoS Vulnerability

Severity: MODERATE

Description:

The ftp server for OS/2 4.5 Warp can be disabled via a buffer overflow. If a long username and password (over 256 characters) are supplied on a reconnection attempt after a failed login, the server will crash.

Affected Products:

  • IBM OS/2 4.5.0Warp
  • IBM OS/2 FTP Server 4.0.0
  • IBM OS/2 FTP Server 4.2.0
  • IBM OS/2 FTP Server 4.3.0

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