Siemens SCALANCE up to 4.4 Configuration Backup hard-coded key

Summaryinfo

A vulnerability has been found in Siemens SCALANCE up to 4.4 and classified as problematic. This affects an unknown function of the component Configuration Backup Handler. This manipulation causes hard-coded key. This vulnerability appears as CVE-2023-44318. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Siemens SCALANCE up to 4.4. Affected by this vulnerability is an unknown part of the component Configuration Backup Handler. The manipulation with an unknown input leads to a hard-coded key vulnerability. The CWE definition for the vulnerability is CWE-321. The use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered. As an impact it is known to affect confidentiality. 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 use a hardcoded key to obfuscate the configuration backup that an administrator can export from the device. This could allow an authenticated attacker with administrative privileges or an attacker that obtains a configuration backup to extract configuration information from the exported file.

The weakness was presented 11/14/2023 as ssa-699386. It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is known as CVE-2023-44318 since 09/28/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600.001 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/

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Entryinfo

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