CVE:CVE-2019-20768
CNNVD:CNNVD-202005-143
ServiceNow IT Service Management（ITSM）是美国ServiceNow公司的一套IT服务管理工具。该工具提供事件管理、问题管理、变更和发布管理等功能。
ServiceNow IT Service Management Kingston Patch 14-1及之前版本、London Patch 7及之前版本和Madrid patch 4之前版本中存在跨站脚本漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
solution:Upgrade servicenow it_service_management to a higher version than kingston,kingston:patch_1,kingston:patch_10,kingston:patch_10-1,kingston:patch_10-2,kingston:patch_11,kingston:patch_12,kingston:patch_12-1,kingston:patch_12-2,kingston:patch_13,kingston:patch_14,kingston:patch_14-1,kingston:patch_2,kingston:patch_3,kingston:patch_3-1,kingston:patch_3-2,kingston:patch_3a-1,kingston:patch_4,kingston:patch_4-1,kingston:patch_4-2,kingston:patch_4-4,kingston:patch_5,kingston:patch_6,kingston:patch_6-1,kingston:patch_6-2,kingston:patch_6-3,kingston:patch_6-5,kingston:patch_7,kingston:patch_7-1,kingston:patch_8,kingston:patch_8-1,kingston:patch_9,london,london:patch_1,london:patch_1-2,london:patch_1-3,london:patch_2,london:patch_2-2,london:patch_2-4,london:patch_2-5,london:patch_3,london:patch_3-3,london:patch_3-4,london:patch_4,london:patch_4-1,london:patch_4-2,london:patch_4-3,london:patch_4-4,london:patch_4-5,london:patch_4-6,london:patch_5,london:patch_5-1,london:patch_6,london:patch_6-1,london:patch_6a-1,london:patch_6b-1,london:patch_7,madrid,madrid:patch_0-1,madrid:patch_1,madrid:patch_1-1,madrid:patch_1-2,madrid:patch_2,madrid:patch_3,madrid:patch_3-1,madrid:patch_3-2,and avoid the version kingston,kingston:patch_1,kingston:patch_10,kingston:patch_10-1,kingston:patch_10-2,kingston:patch_11,kingston:patch_12,kingston:patch_12-1,kingston:patch_12-2,kingston:patch_13,kingston:patch_14,kingston:patch_14-1,kingston:patch_2,kingston:patch_3,kingston:patch_3-1,kingston:patch_3-2,kingston:patch_3a-1,kingston:patch_4,kingston:patch_4-1,kingston:patch_4-2,kingston:patch_4-4,kingston:patch_5,kingston:patch_6,kingston:patch_6-1,kingston:patch_6-2,kingston:patch_6-3,kingston:patch_6-5,kingston:patch_7,kingston:patch_7-1,kingston:patch_8,kingston:patch_8-1,kingston:patch_9,london,london:patch_1,london:patch_1-2,london:patch_1-3,london:patch_2,london:patch_2-2,london:patch_2-4,london:patch_2-5,london:patch_3,london:patch_3-3,london:patch_3-4,london:patch_4,london:patch_4-1,london:patch_4-2,london:patch_4-3,london:patch_4-4,london:patch_4-5,london:patch_4-6,london:patch_5,london:patch_5-1,london:patch_6,london:patch_6-1,london:patch_6a-1,london:patch_6b-1,london:patch_7,madrid,madrid:patch_0-1,madrid:patch_1,madrid:patch_1-1,madrid:patch_1-2,madrid:patch_2,madrid:patch_3,madrid:patch_3-1,madrid:patch_3-2