description: 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.
problem types: CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
affected:
{
vendor: Siemens
product: Capital Embedded AR Classic 431-422
versions:
status: affected, version: 0, lessThan: *, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: Capital Embedded AR Classic R20-11
versions:
status: affected, version: 0, lessThan: V2303, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: Nucleus NET
versions:
status: affected, version: All versions
defaultStatus: unknown
}
{
vendor: Siemens
product: Nucleus ReadyStart V3
versions:
status: affected, version: 0, lessThan: V2017.02.4, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: Nucleus ReadyStart V4
versions:
status: affected, version: 0, lessThan: V4.1.0, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: Nucleus Source Code
versions:
status: affected, version: 0, lessThan: *, versionType: custom
defaultStatus: unknown
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
baseScore: 7.5
baseSeverity: HIGH
]