CVE-2022-34819
Description
A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). 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.
How to fix
- siemens simatic_cp_1543-1_firmware3.0.22 or later
- siemens siplus_net_cp_1543-1_firmware3.0.22 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens simatic_cp_1242-7_v2_firmware | No range specified | — |
| siemens simatic_cp_1243-1_firmware | No range specified | — |
| siemens simatic_cp_1243-7_lte_eu_firmware | No range specified | — |
| siemens simatic_cp_1243-7_lte_us_firmware | No range specified | — |
| siemens simatic_cp_1243-8_irc_firmware | No range specified | — |
| siemens simatic_cp_1542sp-1_irc_firmware | 2.0 ≤ v | — |
| siemens simatic_cp_1543-1_firmware | v < 3.0.22 | 3.0.22 |
| siemens simatic_cp_1543sp-1_firmware | 2.0 ≤ v | — |
| siemens siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware | 2.0 ≤ v | — |
| siemens siplus_et_200sp_cp_1543sp-1_isec_firmware | 2.0 ≤ v | — |
| siemens siplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmware | 2.0 ≤ v | — |
| siemens siplus_net_cp_1242-7_v2_firmware | No range specified | — |
| siemens siplus_net_cp_1543-1_firmware | v < 3.0.22 | 3.0.22 |
| siemens siplus_s7-1200_cp_1243-1_firmware | No range specified | — |
| siemens siplus_s7-1200_cp_1243-1_rail_firmware | No range specified | — |
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