A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (All versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values.
References
| Link | Resource |
|---|---|
| https://cert-portal.siemens.com/productcert/html/ssa-248289.html | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-248289.pdf | Vendor Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-103-05 | Third Party Advisory US Government Resource |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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History
13 Feb 2024, 09:15
| Type | Values Removed | Values Added |
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| References |
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| Summary | A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2017.02.4), Nucleus ReadyStart V4 (All versions < V4.1.0), Nucleus Source Code (All versions including affected IPv6 stack). The function that processes IPv6 headers does not check the lengths of extension header options, allowing attackers to put this function into an infinite loop with crafted length values. |
Information
Published : 2021-04-22 21:15
Updated : 2024-02-28 18:28
NVD link : CVE-2021-25663
Mitre link : CVE-2021-25663
CVE.ORG link : CVE-2021-25663
JSON object : View
Products Affected
siemens
- capital_vstar
- nucleus_source_code
- nucleus_net
- nucleus_readystart
CWE
CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')