by Kastro
Paper/Archive/CVE-2021-0276

CVE-2021-0276

Juniper Networks SBR Carrier — Steel-Belted Radius Carrier Edition: Remote code execution vulnerability when EAP Authentication is configured.

EPSS 2%CVSS 9.8
critical.is priorityof 100
46
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 83.4.834 × 2016.7No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
SBR Carrier8.4.1 – < 8.4.1R198.4.1R19CNA
SBR Carrier8.5.0 – < 8.5.0R108.5.0R10CNA
SBR Carrier8.6.0 – < 8.6.0R48.6.0R4CNA

Scores by source

juniper (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refkb.juniper.net/JSA11180