CVE-2022-34819 Information

Description

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions) SIMATIC CP 1243-1 (All versions) SIMATIC CP 1243-7 LTE EU (All versions) SIMATIC CP 1243-7 LTE US (All versions) SIMATIC CP 1243-8 IRC (All versions) SIMATIC CP 1542SP-1 IRC (All versions >= V2.0) SIMATIC CP 1543-1 (All versions < V3.0.22) SIMATIC CP 1543SP-1 (All versions >= V2.0) SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0) SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0) SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0) SIPLUS NET CP 1242-7 V2 (All versions) SIPLUS NET CP 1543-1 (All versions < V3.0.22) SIPLUS S7-1200 CP 1243-1 (All versions) SIPLUS S7-1200 CP 1243-1 RAIL (All versions). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf