CVE-2023-42797: sicam a8000 — Fix

Description

A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05.20), CP-8050 MASTER MODULE (All versions < CPCI85 V05.20). The network configuration service of affected devices contains a flaw in the conversion of ipv4 addresses that could lead to an uninitialized variable being used in succeeding validation steps. By uploading specially crafted network configuration, an authenticated remote attacker could be able to inject commands that are executed on the device with root privileges during device startup.

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CVSS v3.1 Score

6.6

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-908 CWE-908

Affected Products

Vendor	Product	Versions
siemens	sicam_a8000_cp-8050_firmware	< 05.20
siemens	sicam_a8000_cp-8050	All
siemens	sicam_a8000_cp-8031_firmware	< 05.20
siemens	sicam_a8000_cp-8031	All

References

Advisories & Patches

https://cert-portal.siemens.com/productcert/pdf/ssa-583634.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-583634.pdf

Frequently Asked Questions

What is CVE-2023-42797? +

A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05.20), CP-8050 MASTER MODULE (All versions < CPCI85 V05.20). The network configuration service of affected devices contains a flaw in the conversion of ipv4 addresses that could lead to an uninitialized variable being used in succeeding validation steps. By uploading specially crafted network configuration, an authenticated remote attacker could be able to inject commands that are executed on the device with root privileges during device startup. It has a CVSS v3.1 base score of 6.6 (MEDIUM).

How severe is CVE-2023-42797? +

CVE-2023-42797 has a CVSS v3.1 score of 6.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-42797? +

CVE-2023-42797 affects products from siemens, specifically: sicam_a8000_cp-8031, sicam_a8000_cp-8031_firmware, sicam_a8000_cp-8050, sicam_a8000_cp-8050_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-42797? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2023-42797