Siemens SCALANCE up to 4.4 Configuration resource consumption

Summaryinfo

A vulnerability was found in Siemens SCALANCE up to 4.4. It has been rated as problematic. Affected by this issue is some unknown functionality of the component Configuration Handler. The manipulation leads to resource consumption. This vulnerability is uniquely identified as CVE-2023-44321. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Siemens SCALANCE up to 4.4 and classified as problematic. This issue affects an unknown function of the component Configuration Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

A vulnerability has been identified in SCALANCE XB205-3 (SC, PN) (All versions < V4.5), SCALANCE XB205-3 (ST, E/IP) (All versions < V4.5), SCALANCE XB205-3 (ST, E/IP) (All versions < V4.5), SCALANCE XB205-3 (ST, PN) (All versions < V4.5), SCALANCE XB205-3LD (SC, E/IP) (All versions < V4.5), SCALANCE XB205-3LD (SC, PN) (All versions < V4.5), SCALANCE XB208 (E/IP) (All versions < V4.5), SCALANCE XB208 (PN) (All versions < V4.5), SCALANCE XB213-3 (SC, E/IP) (All versions < V4.5), SCALANCE XB213-3 (SC, PN) (All versions < V4.5), SCALANCE XB213-3 (ST, E/IP) (All versions < V4.5), SCALANCE XB213-3 (ST, PN) (All versions < V4.5), SCALANCE XB213-3LD (SC, E/IP) (All versions < V4.5), SCALANCE XB213-3LD (SC, PN) (All versions < V4.5), SCALANCE XB216 (E/IP) (All versions < V4.5), SCALANCE XB216 (PN) (All versions < V4.5), SCALANCE XC206-2 (SC) (All versions < V4.5), SCALANCE XC206-2 (ST/BFOC) (All versions < V4.5), SCALANCE XC206-2G PoE (All versions < V4.5), SCALANCE XC206-2G PoE (54 V DC) (All versions < V4.5), SCALANCE XC206-2G PoE EEC (54 V DC) (All versions < V4.5), SCALANCE XC206-2SFP (All versions < V4.5), SCALANCE XC206-2SFP EEC (All versions < V4.5), SCALANCE XC206-2SFP G (All versions < V4.5), SCALANCE XC206-2SFP G (EIP DEF.) (All versions < V4.5), SCALANCE XC206-2SFP G EEC (All versions < V4.5), SCALANCE XC208 (All versions < V4.5), SCALANCE XC208EEC (All versions < V4.5), SCALANCE XC208G (All versions < V4.5), SCALANCE XC208G (EIP def.) (All versions < V4.5), SCALANCE XC208G EEC (All versions < V4.5), SCALANCE XC208G PoE (All versions < V4.5), SCALANCE XC208G PoE (54 V DC) (All versions < V4.5), SCALANCE XC216 (All versions < V4.5), SCALANCE XC216-3G PoE (All versions < V4.5), SCALANCE XC216-3G PoE (54 V DC) (All versions < V4.5), SCALANCE XC216-4C (All versions < V4.5), SCALANCE XC216-4C G (All versions < V4.5), SCALANCE XC216-4C G (EIP Def.) (All versions < V4.5), SCALANCE XC216-4C G EEC (All versions < V4.5), SCALANCE XC216EEC (All versions < V4.5), SCALANCE XC224 (All versions < V4.5), SCALANCE XC224-4C G (All versions < V4.5), SCALANCE XC224-4C G (EIP Def.) (All versions < V4.5), SCALANCE XC224-4C G EEC (All versions < V4.5), SCALANCE XF204 (All versions < V4.5), SCALANCE XF204 DNA (All versions < V4.5), SCALANCE XF204-2BA (All versions < V4.5), SCALANCE XF204-2BA DNA (All versions < V4.5), SCALANCE XP208 (All versions < V4.5), SCALANCE XP208 (Ethernet/IP) (All versions < V4.5), SCALANCE XP208EEC (All versions < V4.5), SCALANCE XP208PoE EEC (All versions < V4.5), SCALANCE XP216 (All versions < V4.5), SCALANCE XP216 (Ethernet/IP) (All versions < V4.5), SCALANCE XP216EEC (All versions < V4.5), SCALANCE XP216POE EEC (All versions < V4.5), SCALANCE XR324WG (24 x FE, AC 230V) (All versions < V4.5), SCALANCE XR324WG (24 X FE, DC 24V) (All versions < V4.5), SCALANCE XR326-2C PoE WG (All versions < V4.5), SCALANCE XR326-2C PoE WG (without UL) (All versions < V4.5), SCALANCE XR328-4C WG (24XFE, 4XGE, 24V) (All versions < V4.5), SCALANCE XR328-4C WG (24xFE, 4xGE,DC24V) (All versions < V4.5), SCALANCE XR328-4C WG (24xFE,4xGE,AC230V) (All versions < V4.5), SCALANCE XR328-4C WG (24xFE,4xGE,AC230V) (All versions < V4.5), SCALANCE XR328-4C WG (28xGE, AC 230V) (All versions < V4.5), SCALANCE XR328-4C WG (28xGE, DC 24V) (All versions < V4.5), SIPLUS NET SCALANCE XC206-2 (All versions < V4.5), SIPLUS NET SCALANCE XC206-2SFP (All versions < V4.5), SIPLUS NET SCALANCE XC208 (All versions < V4.5), SIPLUS NET SCALANCE XC216-4C (All versions < V4.5). Affected devices do not properly validate the length of inputs when performing certain configuration changes in the web interface allowing an authenticated attacker to cause a denial of service condition. The device needs to be restarted for the web interface to become available again.

The weakness was disclosed 11/14/2023 as ssa-699386. It is possible to read the advisory at cert-portal.siemens.com. The identification of this vulnerability is CVE-2023-44321 since 09/28/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 4.5 eliminates this vulnerability.

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Productinfo

Vendor

• Siemens

Name

• SCALANCE

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4

License

• commercial

Website

• Vendor: https://www.siemens.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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