SARA / Free Tools / CVE / CVE-2024-39543

CVE-2024-39543 — A Buffer Copy without Checking Size of Input vulnerability in the routing protoc

A Buffer Copy without Checking Size of Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated, adjacent attacker to send specific RPKI-RTR packets resulting in a crash, creating a Denia

CVSS
7.1 HIGH
EPSS
15.00% (top 65.00%)
CWE
CWE-120
Published
2024-07-11T16:21:38.508Z
Last modified
2024-08-02T04:26:15.957Z
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

01What is this vulnerability?

A Buffer Copy without Checking Size of Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Juniper Networks Junos OS Evolved allows an unauthenticated, adjacent attacker to send specific RPKI-RTR packets resulting in a crash, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service…

02Affected products

VendorProductVersions
Juniper NetworksJunos OS0, 21.4, 22.2, 22.3, 22.4, 23.2, 23.4
Juniper NetworksJunos OS Evolved0, 21.4, 22.2, 22.3, 22.4, 23.2, 23.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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