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Vulnerability of IBM TSM: several vulnerabilities of FastBack

Synthesis of the vulnerability

A remote attacker can use several vulnerabilities of IBM Tivoli Storage Manager Fastback, in order to create a denial of service or to execute code.
Severity of this computer vulnerability: 3/4.
Number of vulnerabilities in this bulletin: 11.
Creation date: 30/09/2010.
Références of this announce: 1443820, CVE-2010-3754, CVE-2010-3755, CVE-2010-3756, CVE-2010-3757, CVE-2010-3758, CVE-2010-3759, CVE-2010-3760, VIGILANCE-VUL-9988, ZDI-10-179, ZDI-10-180, ZDI-10-181, ZDI-10-182, ZDI-10-183, ZDI-10-184, ZDI-10-185, ZDI-10-186, ZDI-10-187, ZDI-10-188, ZDI-10-200.

Description of the vulnerability

Several vulnerabilities were announced in IBM Tivoli Storage Manager Fastback.

An attacker can send an UDP packet to the Mount service (FastBackMount.exe, 30005/udp), in order to change a byte in memory. [severity:3/4; CVE-2010-3759, ZDI-10-179]

An attacker can send a long log message to the FastBackServer.exe server (11406/tcp), in order to generate an overflow in AGI_SendToLog(). [severity:3/4; CVE-2010-3758, ZDI-10-180]

An attacker can send a long message to the FastBackServer.exe server (11406/tcp), in order to generate an overflow in _AGI_S_ActivateLTScriptReply(). [severity:3/4; CVE-2010-3758, ZDI-10-181]

An attacker can send a long message to the FastBackServer.exe server (11406/tcp), in order to generate an overflow in FXCLI_OraBR_Exec_Command(). [severity:3/4; CVE-2010-3754, ZDI-10-182]

An attacker can send a long message to the FastBackServer.exe server (11406/tcp), in order to generate an overflow in FXCLI_checkIndexDBLocation(). [severity:3/4; CVE-2010-3758, ZDI-10-183]

An attacker can send a long message to the FastBackServer.exe server (11406/tcp), in order to generate an overflow in USER_S_AddADGroup(). [severity:3/4; CVE-2010-3758, ZDI-10-184]

An attacker can send a special message to the FastBackServer.exe server (11406/tcp), in order to generate a format string attack in _Eventlog(). [severity:3/4; CVE-2010-3757, ZDI-10-185]

An attacker can send a long message to the FastBackServer.exe server (11406/tcp), in order to generate an error in _CalcHashValueWithLength(), which stops the service. [severity:2/4; CVE-2010-3756, ZDI-10-186]

An attacker can send a long message to the FastBackServer.exe server (11406/tcp), in order to dereference a NULL pointer in _DAS_ReadBlockReply(), which stops the service. [severity:2/4; CVE-2010-3755, ZDI-10-187]

An attacker can send a long 0xFAFBFCFD message to the FastBackServer.exe server (1320/tcp), in order to generate a buffer overflow. [severity:3/4; ZDI-10-200]

An attacker can send a malicious packet to the Mount service (FastBackMount.exe, 30051/tcp), in order to dereference a NULL pointer. [severity:1/4; CVE-2010-3760, ZDI-10-188]

A remote attacker can therefore use several vulnerabilities of IBM Tivoli Storage Manager Fastback, in order to create a denial of service or to execute code.
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This vulnerability alert impacts software or systems such as Tivoli Storage Manager.

Our Vigil@nce team determined that the severity of this computer weakness alert is important.

The trust level is of type confirmed by the editor, with an origin of intranet client.

This bulletin is about 11 vulnerabilities.

An attacker with a expert ability can exploit this computer vulnerability.

Solutions for this threat

IBM TSM FastBack: versions 5.5.7 and 6.1.1.
Versions 5.5.7 and 6.1.1 are corrected.
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