Denial of service in Siemens SIMATIC S7-1500 CPUs

1) Use-after-free

EUVDB-ID: #VU84383

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-46156

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error when. A remote attacker can cause a denial of service condition on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

SIPLUS S7-1500 CPU 1518HF-4 PN (6AG1518-4JP00-4AB0): All versions

SIPLUS S7-1500 CPU 1517H-3 PN (6AG1517-3HP00-4AB0): All versions

SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL (6AG2516-3FN02-4AB0): All versions

SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL (6AG2516-3FN02-2AB0): All versions

SIPLUS S7-1500 CPU 1516F-3 PN/DP (6AG1516-3FN02-2AB0): All versions

SIPLUS S7-1500 CPU 1516F-3 PN/DP (6AG1516-3FN01-2AB0): All versions

SIPLUS S7-1500 CPU 1516F-3 PN/DP (6AG1516-3FN00-2AB0): All versions

SIPLUS S7-1500 CPU 1516-3 PN/DP TX RAIL (6AG2516-3AN01-4AB0): All versions

SIPLUS S7-1500 CPU 1516-3 PN/DP RAIL (6AG2516-3AN02-4AB0): All versions

SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN02-7AB0): All versions

SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN02-2AB0): All versions

SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN01-7AB0): All versions

SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN01-2AB0): All versions

SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN00-7AB0): All versions

SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN00-2AB0): All versions

SIPLUS S7-1500 CPU 1515R-2 PN TX RAIL (6AG2515-2RM00-4AB0): All versions

SIPLUS S7-1500 CPU 1515R-2 PN (6AG1515-2RM00-7AB0): All versions

SIPLUS S7-1500 CPU 1515F-2 PN T2 RAIL (6AG2515-2FM01-2AB0): All versions

SIPLUS S7-1500 CPU 1515F-2 PN RAIL (6AG2515-2FM02-4AB0): All versions

SIPLUS S7-1500 CPU 1515F-2 PN (6AG1515-2FM02-2AB0): All versions

SIPLUS S7-1500 CPU 1515F-2 PN (6AG1515-2FM01-2AB0): All versions

SIPLUS S7-1500 CPU 1513F-1 PN (6AG1513-1FL02-2AB0): All versions

SIPLUS S7-1500 CPU 1513F-1 PN (6AG1513-1FL01-2AB0): All versions

SIPLUS S7-1500 CPU 1513F-1 PN (6AG1513-1FL00-2AB0): All versions

SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL02-7AB0): All versions

SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL02-2AB0): All versions

SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL01-7AB0): All versions

SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL01-2AB0): All versions

SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL00-2AB0): All versions

SIPLUS S7-1500 CPU 1511F-1 PN (6AG1511-1FK02-2AB0): All versions

SIPLUS S7-1500 CPU 1511F-1 PN (6AG1511-1FK01-2AB0): All versions

SIPLUS S7-1500 CPU 1511F-1 PN (6AG1511-1FK00-2AB0): All versions

SIPLUS S7-1500 CPU 1511-1 PN TX RAIL (6AG2511-1AK02-4AB0): All versions

SIPLUS S7-1500 CPU 1511-1 PN TX RAIL (6AG2511-1AK01-4AB0): All versions

SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL (6AG2511-1AK02-1AB0): All versions

SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL (6AG2511-1AK01-1AB0): All versions

SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK02-7AB0): All versions

SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK02-2AB0): All versions

SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK01-7AB0): All versions

SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK01-2AB0): All versions

SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK00-2AB0): All versions

SIPLUS ET 200SP CPU 1512SP-1 PN RAIL (6AG2512-1DK01-4AB0): All versions

SIPLUS ET 200SP CPU 1512SP-1 PN RAIL (6AG2512-1DK01-1AB0): All versions

SIPLUS ET 200SP CPU 1512SP-1 PN (6AG1512-1DK01-7AB0): All versions

SIPLUS ET 200SP CPU 1512SP-1 PN (6AG1512-1DK01-2AB0): All versions

SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL (6AG2512-1SK01-4AB0): All versions

SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL (6AG2512-1SK01-1AB0): All versions

SIPLUS ET 200SP CPU 1512SP F-1 PN (6AG1512-1SK01-7AB0): All versions

SIPLUS ET 200SP CPU 1512SP F-1 PN (6AG1512-1SK01-2AB0): All versions

SIPLUS ET 200SP CPU 1512SP F-1 PN (6AG1512-1SK00-2AB0): All versions

SIPLUS ET 200SP CPU 1510SP-1 PN RAIL (6AG2510-1DJ01-4AB0): All versions

SIPLUS ET 200SP CPU 1510SP-1 PN RAIL (6AG2510-1DJ01-1AB0): All versions

SIPLUS ET 200SP CPU 1510SP-1 PN (6AG1510-1DJ01-7AB0): All versions

SIPLUS ET 200SP CPU 1510SP-1 PN (6AG1510-1DJ01-2AB0): All versions

SIPLUS ET 200SP CPU 1510SP F-1 PN RAIL (6AG2510-1SJ01-1AB0): All versions

SIPLUS ET 200SP CPU 1510SP F-1 PN (6AG1510-1SJ01-2AB0): All versions

SIMATIC S7-1500 ET 200pro: CPU 1516PRO-2 PN (6ES7516-2PN00-0AB0): All versions

SIMATIC S7-1500 ET 200pro: CPU 1516PRO F-2 PN (6ES7516-2GN00-0AB0): All versions

SIMATIC S7-1500 ET 200pro: CPU 1513PRO-2 PN (6ES7513-2PL00-0AB0): All versions

SIMATIC S7-1500 ET 200pro: CPU 1513PRO F-2 PN (6ES7513-2GL00-0AB0): All versions

SIMATIC S7-1500 CPU S7-1518F-4 PN/DP ODK (6ES7518-4FP00-3AB0): All versions

SIMATIC S7-1500 CPU S7-1518-4 PN/DP ODK (6ES7518-4AP00-3AB0): All versions

SIMATIC S7-1500 CPU 1518HF-4 PN (6ES7518-4JP00-0AB0): All versions

SIMATIC S7-1500 CPU 1517H-3 PN (6ES7517-3HP00-0AB0): All versions

SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FN02-0AB0): All versions

SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FN01-0AB0): All versions

SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FN00-0AB0): All versions

SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AN02-0AB0): All versions

SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AN01-0AB0): All versions

SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AN00-0AB0): All versions

SIMATIC S7-1500 CPU 1515TF-2 PN (6ES7515-2UM01-0AB0): All versions

SIMATIC S7-1500 CPU 1515T-2 PN (6ES7515-2TM01-0AB0): All versions

SIMATIC S7-1500 CPU 1515R-2 PN (6ES7515-2RN03-0AB0): All versions

SIMATIC S7-1500 CPU 1515R-2 PN (6ES7515-2RM00-0AB0): All versions

SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FM02-0AB0): All versions

SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FM01-0AB0): All versions

SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FM00-0AB0): All versions

SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AM02-0AB0): All versions

SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AM01-0AB0): All versions

SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AM00-0AB0): All versions

SIMATIC S7-1500 CPU 1513R-1 PN (6ES7513-1RM03-0AB0): All versions

SIMATIC S7-1500 CPU 1513R-1 PN (6ES7513-1RL00-0AB0): All versions

SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FL02-0AB0): All versions

SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FL01-0AB0): All versions

SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FL00-0AB0): All versions

SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AL02-0AB0): All versions

SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AL00-0AB0): All versions

SIMATIC S7-1500 CPU 1512SP-1 PN (6ES7512-1DK01-0AB0): All versions

SIMATIC S7-1500 CPU 1512SP-1 PN (6ES7512-1DK00-0AB0): All versions

SIMATIC S7-1500 CPU 1512SP F-1 PN (6ES7512-1SM03-0AB0): All versions

SIMATIC S7-1500 CPU 1512SP F-1 PN (6ES7512-1SK01-0AB0): All versions

SIMATIC S7-1500 CPU 1512SP F-1 PN (6ES7512-1SK00-0AB0): All versions

SIMATIC S7-1500 CPU 1512C-1 PN (6ES7512-1CK01-0AB0): All versions

SIMATIC S7-1500 CPU 1512C-1 PN (6ES7512-1CK00-0AB0): All versions

SIMATIC S7-1500 CPU 1511TF-1 PN (6ES7511-1UK01-0AB0): All versions

SIMATIC S7-1500 CPU 1511T-1 PN (6ES7511-1TK01-0AB0): All versions

SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FK02-0AB0): All versions

SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FK01-0AB0): All versions

SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FK00-0AB0): All versions

SIMATIC S7-1500 CPU 1511C-1 PN (6ES7511-1CK01-0AB0): All versions

SIMATIC S7-1500 CPU 1511C-1 PN (6ES7511-1CK00-0AB0): All versions

SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK02-0AB0): All versions

SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK01-0AB0): All versions

SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK00-0AB0): All versions

SIMATIC S7-1500 CPU 1510SP-1 PN (6ES7510-1DJ01-0AB0): All versions

SIMATIC S7-1500 CPU 1510SP-1 PN (6ES7510-1DJ00-0AB0): All versions

SIMATIC S7-1500 CPU 1510SP F-1 PN (6ES7510-1SJ01-0AB0): All versions

SIMATIC S7-1500 CPU 1510SP F-1 PN (6ES7510-1SJ00-0AB0): All versions

SIMATIC ET 200SP Open Controller CPU 1515SP PC2: All versions

SIMATIC S7-1500 Software Controller: All versions

SIPLUS S7-1500 CPU 1518F-4 PN/DP (6AG1518-4FP00-4AB0): before 3.1.0

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0): before 3.1.0

SIPLUS S7-1500 CPU 1518-4 PN/DP (6AG1518-4AP00-4AB0): before 3.1.0

SIMATIC S7-PLCSIM Advanced: before 6.0

SIMATIC S7-1500 CPU 1518TF-4 PN/DP (6ES7518-4UP00-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1518T-4 PN/DP (6ES7518-4TP00-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0): before 3.1.0

SIMATIC S7-1500 CPU 1518F-4 PN/DP (6ES7518-4FP00-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0): before 3.1.0

SIMATIC S7-1500 CPU 1518-4 PN/DP (6ES7518-4AP00-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1517TF-3 PN/DP (6ES7517-3UP00-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1517T-3 PN/DP (6ES7517-3TP00-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1517F-3 PN/DP (6ES7517-3FP01-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1517F-3 PN/DP (6ES7517-3FP00-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1517-3 PN/DP (6ES7517-3AP00-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1516TF-3 PN/DP (6ES7516-3UN00-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1516T-3 PN/DP (6ES7516-3TN00-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FP03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AP03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1515TF-2 PN (6ES7515-2UN03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1515T-2 PN (6ES7515-2TN03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FN03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AN03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1514SPT-2 PN (6ES7514-2VN03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1514SPT F-2 PN (6ES7514-2WN03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1514SP-2 PN (6ES7514-2DN03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1514SP F-2 PN (6ES7514-2SN03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FM03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AM03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1512SP-1 PN (6ES7512-1DM03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1512C-1 PN (6ES7512-1CM03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1511TF-1 PN (6ES7511-1UL03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1511T-1 PN (6ES7511-1TL03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FL03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1511C-1 PN (6ES7511-1CL03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AL03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1510SP-1 PN (6ES7510-1DK03-0AB0): before 3.1.0

SIMATIC S7-1500 CPU 1510SP F-1 PN (6ES7510-1SK03-0AB0): before 3.1.0

SIMATIC Drive Controller CPU 1507D TF (6ES7615-7DF10-0AB0): before 3.1.0

SIMATIC Drive Controller CPU 1504D TF (6ES7615-4DF10-0AB0): before 3.1.0

External links

http://cert-portal.siemens.com/productcert/txt/ssa-592380.txt

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.