Siemens SCALANCE up to 4.4 unsynchronized access to shared data in a multithreaded context

Summaryinfo

A vulnerability identified as problematic has been detected in Siemens SCALANCE up to 4.4. This vulnerability affects unknown code. This manipulation causes unsynchronized access to shared data in a multithreaded context. The identification of this vulnerability is CVE-2023-44374. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens SCALANCE up to 4.4. It has been declared as problematic. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a unsynchronized access to shared data in a multithreaded context vulnerability. The CWE definition for the vulnerability is CWE-567. The product does not properly synchronize shared data, such as static variables across threads, which can lead to undefined behavior and unpredictable data changes. As an impact it is known to affect integrity. 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 allow to change the password, but insufficiently check which password is to be changed. With this an authenticated attacker could, under certain conditions, be able to change the password of another, potential admin user allowing her to escalate her privileges.

The weakness was shared 11/14/2023 as ssa-699386. The advisory is shared at cert-portal.siemens.com. This vulnerability is known as CVE-2023-44374 since 09/28/2023. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/14/2025).

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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Entryinfo

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