title: Steel-Belted Radius Carrier Edition: Remote code execution vulnerability when EAP Authentication is configured.
description: A stack-based Buffer Overflow vulnerability in Juniper Networks SBR Carrier with EAP (Extensible Authentication Protocol) authentication configured, allows an attacker sending specific packets causing the radius daemon to crash resulting with a Denial of Service (DoS) or leading to remote code execution (RCE). By continuously sending this specific packets, an attacker can repeatedly crash the radius daemon, causing a sustained Denial of Service (DoS). This issue affects Juniper Networks SBR Carrier: 8.4.1 versions prior to 8.4.1R19; 8.5.0 versions prior to 8.5.0R10; 8.6.0 versions prior to 8.6.0R4.
problem types: CWE-121 Stack-based Buffer Overflow
affected:
{
product: SBR Carrier
vendor: Juniper Networks
versions:
lessThan: 8.4.1R19, status: affected, version: 8.4.1, versionType: custom
lessThan: 8.5.0R10, status: affected, version: 8.5.0, versionType: custom
lessThan: 8.6.0R4, status: affected, version: 8.6.0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.8
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
exploits: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
solutions: The following software releases have been updated to resolve this specific issue: 8.4.1R19, 8.5.0R10, 8.6.0R4 and all subsequent releases.
workarounds: There are no viable workarounds for this issue.