Siemens SCALANCE X200-4P IRT GET Parameter XNo buffer overflow

Summaryinfo

A vulnerability, which was classified as critical, was found in Siemens SCALANCE X200-4P IRT, SCALANCE X201-3P IRT, SCALANCE X201-3P IRT PRO, SCALANCE X202-2IRT, SCALANCE X202-2P IRT, SCALANCE X202-2P IRT PRO, SCALANCE X204-2, SCALANCE X204-2FM, SCALANCE X204-2LD, SCALANCE X204-2LD TS, SCALANCE X204-2TS, SCALANCE X204IRT, SCALANCE X204IRT PRO, SCALANCE X206-1, SCALANCE X206-1LD, SCALANCE X208, SCALANCE X208PRO, SCALANCE X212-2, SCALANCE X212-2LD, SCALANCE X216, SCALANCE X224, SCALANCE XF201-3P IRT, SCALANCE XF202-2P IRT, SCALANCE XF204, SCALANCE XF204-2, SCALANCE XF204-2BA IRT, SCALANCE XF204IRT, SCALANCE XF206-1 and SCALANCE XF208. Affected is an unknown function of the component GET Parameter Handler. Such manipulation of the argument XNo leads to buffer overflow. This vulnerability is documented as CVE-2022-26648. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens SCALANCE X200-4P IRT, SCALANCE X201-3P IRT, SCALANCE X201-3P IRT PRO, SCALANCE X202-2IRT, SCALANCE X202-2P IRT, SCALANCE X202-2P IRT PRO, SCALANCE X204-2, SCALANCE X204-2FM, SCALANCE X204-2LD, SCALANCE X204-2LD TS, SCALANCE X204-2TS, SCALANCE X204IRT, SCALANCE X204IRT PRO, SCALANCE X206-1, SCALANCE X206-1LD, SCALANCE X208, SCALANCE X208PRO, SCALANCE X212-2, SCALANCE X212-2LD, SCALANCE X216, SCALANCE X224, SCALANCE XF201-3P IRT, SCALANCE XF202-2P IRT, SCALANCE XF204, SCALANCE XF204-2, SCALANCE XF204-2BA IRT, SCALANCE XF204IRT, SCALANCE XF206-1 and SCALANCE XF208 and classified as critical. Affected by this issue is some unknown functionality of the component GET Parameter Handler. The manipulation of the argument XNo with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is availability. CVE summarizes:

A vulnerability has been identified in SCALANCE X200-4P IRT (All versions), SCALANCE X200-4P IRT (All versions), SCALANCE X201-3P IRT (All versions), SCALANCE X201-3P IRT (All versions), SCALANCE X201-3P IRT PRO (All versions), SCALANCE X201-3P IRT PRO (All versions), SCALANCE X202-2IRT (All versions), SCALANCE X202-2IRT (All versions), SCALANCE X202-2P IRT (All versions), SCALANCE X202-2P IRT (All versions), SCALANCE X202-2P IRT PRO (All versions), SCALANCE X202-2P IRT PRO (All versions), SCALANCE X204-2 (All versions < V5.2.6), SCALANCE X204-2FM (All versions < V5.2.6), SCALANCE X204-2LD (All versions < V5.2.6), SCALANCE X204-2LD TS (All versions < V5.2.6), SCALANCE X204-2TS (All versions < V5.2.6), SCALANCE X204IRT (All versions), SCALANCE X204IRT (All versions), SCALANCE X204IRT PRO (All versions), SCALANCE X204IRT PRO (All versions), SCALANCE X206-1 (All versions < V5.2.6), SCALANCE X206-1LD (All versions < V5.2.6), SCALANCE X208 (All versions < V5.2.6), SCALANCE X208PRO (All versions < V5.2.6), SCALANCE X212-2 (All versions < V5.2.6), SCALANCE X212-2LD (All versions < V5.2.6), SCALANCE X216 (All versions < V5.2.6), SCALANCE X224 (All versions < V5.2.6), SCALANCE XF201-3P IRT (All versions), SCALANCE XF202-2P IRT (All versions), SCALANCE XF204 (All versions < V5.2.6), SCALANCE XF204-2 (All versions < V5.2.6), SCALANCE XF204-2BA IRT (All versions), SCALANCE XF204IRT (All versions), SCALANCE XF204IRT (All versions), SCALANCE XF206-1 (All versions < V5.2.6), SCALANCE XF208 (All versions < V5.2.6). Affected devices do not properly validate the GET parameter XNo of incoming HTTP requests. This could allow an unauthenticated remote attacker to crash affected devices.

The weakness was released 07/12/2022 as ssa-310038. The advisory is shared for download at cert-portal.siemens.com. This vulnerability is handled as CVE-2022-26648 since 03/07/2022. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/21/2022).

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Siemens

Name

• SCALANCE X200-4P IRT
• SCALANCE X201-3P IRT
• SCALANCE X201-3P IRT PRO
• SCALANCE X202-2IRT
• SCALANCE X202-2P IRT
• SCALANCE X202-2P IRT PRO
• SCALANCE X204-2
• SCALANCE X204-2FM
• SCALANCE X204-2LD
• SCALANCE X204-2LD TS
• SCALANCE X204-2TS
• SCALANCE X204IRT
• SCALANCE X204IRT PRO
• SCALANCE X206-1
• SCALANCE X206-1LD
• SCALANCE X208
• SCALANCE X208PRO
• SCALANCE X212-2
• SCALANCE X212-2LD
• SCALANCE X216
• SCALANCE X224
• SCALANCE XF201-3P IRT
• SCALANCE XF202-2P IRT
• SCALANCE XF204
• SCALANCE XF204-2
• SCALANCE XF204-2BA IRT
• SCALANCE XF204IRT
• SCALANCE XF206-1
• SCALANCE XF208

License

• commercial

Website

• Vendor: https://www.siemens.com/

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Entryinfo

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