PT-2020-4095 · Juniper Networks · Srx Series+1

Published 2020-04-08 · Updated 2021-11-22 · CVE-2020-1634

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS versions 12.3X48-D80 through 12.3X48-D95 on High-End SRX Series

Description: The issue affects High-End SRX Series devices, in specific configurations, and when specific networking events or operator actions occur, an SPC receiving genuine multicast traffic may core, causing all FPCs in a chassis to reset and resulting in a Denial of Service. This issue affects both IPv4 and IPv6. The problem is due to insufficient input validation.

Recommendations: For Juniper Networks Junos OS versions 12.3X48-D80 through 12.3X48-D95 on High-End SRX Series, update to version 12.3X48-D95 or later to resolve the issue. As a temporary workaround, consider restricting the reception of genuine multicast traffic to minimize the risk of exploitation.

Fix

DoS

Integer Overflow

RCE

Weakness Enumeration

CWE-190

CWE-20

Related Identifiers

BDU:2020-04495

CVE-2020-1634

Affected Products

Junos

Srx Series

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2020-1634 · Security Note
• https://osv.dev/vulnerability/CVE-2020-1634 · Vendor Advisory
• https://kb.juniper.net/JSA11014 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04495 · Security Note
• https://t.me/cvenotify/23592 · Telegram Post
• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11014&cat=SIRT_1&actp=LIST · Note
• https://t.me/cvenotify/2602 · Telegram Post
• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11014&cat=SIRT_1&actp=LIST · Note