Multiple stack-based buffer overflows in COM objects in Micro Focus Rumba 9.4.x before 9.4 HF 13960 allow remote attackers to execute arbitrary code via (1) the NetworkName property value to ObjectXSNAConfig.ObjectXSNAConfig in iconfig.dll, (2) the CPName property value to ObjectXSNAConfig.ObjectXSNAConfig in iconfig.dll, (3) the PrinterName property value to ProfileEditor.PrintPasteControl in ProfEdit.dll, (4) the Data argument to the WriteRecords function in FTXBIFFLib.AS400FtxBIFF in FtxBIFF.dll, (5) the Serialized property value to NMSECCOMPARAMSLib.SSL3 in NMSecComParams.dll, (6) the UserName property value to NMSECCOMPARAMSLib.FirewallProxy in NMSecComParams.dll, (7) the LUName property value to ProfileEditor.MFSNAControl in ProfEdit.dll, (8) the newVal argument to the Load function in FTPSFTPLib.SFtpSession in FTPSFtp.dll, or (9) a long Host field in the FTP Client.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.