CVE-2022-34819

CRITICAL

10.0

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.

CVE Details

CVSS v3.1 Score10.0

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published7/12/2022

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

siemens:simatic_cp_1242-7_v2siemens:simatic_cp_1242-7_v2_firmwaresiemens:simatic_cp_1243-1siemens:simatic_cp_1243-1_firmwaresiemens:simatic_cp_1243-7_lte_eusiemens:simatic_cp_1243-7_lte_eu_firmwaresiemens:simatic_cp_1243-7_lte_ussiemens:simatic_cp_1243-7_lte_us_firmwaresiemens:simatic_cp_1243-8_ircsiemens:simatic_cp_1243-8_irc_firmwaresiemens:simatic_cp_1542sp-1_ircsiemens:simatic_cp_1542sp-1_irc_firmwaresiemens:simatic_cp_1543-1siemens:simatic_cp_1543-1_firmwaresiemens:simatic_cp_1543sp-1siemens:simatic_cp_1543sp-1_firmwaresiemens:siplus_et_200sp_cp_1542sp-1_irc_tx_railsiemens:siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmwaresiemens:siplus_et_200sp_cp_1543sp-1_isecsiemens:siplus_et_200sp_cp_1543sp-1_isec_firmwaresiemens:siplus_et_200sp_cp_1543sp-1_isec_tx_railsiemens:siplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmwaresiemens:siplus_net_cp_1242-7_v2siemens:siplus_net_cp_1242-7_v2_firmwaresiemens:siplus_net_cp_1543-1siemens:siplus_net_cp_1543-1_firmwaresiemens:siplus_s7-1200_cp_1243-1siemens:siplus_s7-1200_cp_1243-1_firmwaresiemens:siplus_s7-1200_cp_1243-1_railsiemens:siplus_s7-1200_cp_1243-1_rail_firmware

Weaknesses (CWE)

CWE-122CWE-787

References

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

https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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