Home/CVE/An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon (rpd) of Juniper Net
CVE

CVE-2023-28964

An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon (rpd) of Juniper Net

An Improper Handling of Length Parameter Inconsistency vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network based, unauthenticated attacker to cause an RPD crash leading to a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. Upon receipt of a malformed BGP flowspec update, RPD will crash resulting in a Denial of Service. This issue affects Juniper Networks Junos OS: All versions prior to 18.1R3-S11.

18.2 versions prior to 18.2R3-S6.

18.3 versions prior to 18.3R3-S4.

18.4 versions prior to 18.4R3-S6.

19.1 versions prior to 19.1R3-S4.

19.2 versions prior to 19.2R3-S1.

19.3 versions prior to 19.3R3-S1.

19.4 versions prior to 19.4R3.

20.1 versions prior to 20.1R2.

20.2 versions prior to 20.2R2.

20.3 versions prior to 20.3R1-S1, 20.3R2.

Juniper Networks Junos OS Evolved: All versions prior to 20.1R3-EVO.

20.2 versions prior to 20.2R2-EVO.

20.3 versions prior to 20.3R2-EVO;.

HIGH · CVSS 7.5 EPSS 0.00608
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-130Improper Handling of Length Parameter Inconsistency
▤

Affected Products & Versions

2
juniper junos< 18.1
juniper junosall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · sirt@juniper.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Apr 2023 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://supportportal.juniper.net/JSA70588Vendor Advisory
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