SARA / Free Tools / CVE / CVE-2023-28980

CVE-2023-28980 — A Use After Free vulnerability in the routing protocol daemon of Juniper Network

A Use After Free vulnerability in the routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause Denial of Service (DoS). In a rib sharding scenario the rpd process will crash shortly after specif

CVSS
5.5 MEDIUM
EPSS
0.06% (top 82.40%)
CWE
CWE-416
Published
2023-04-17T00:00:00.000Z
Last modified
2025-02-05T21:41:05.635Z
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

01What is this vulnerability?

A Use After Free vulnerability in the routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause Denial of Service (DoS). In a rib sharding scenario the rpd process will crash shortly after specific CLI command is issued. This issue is more likely to occur in a scenario with high route scale (>1M routes).

02Affected products

VendorProductVersions
Juniper NetworksJunos OS20.2R3-S5, 20.3R3-S2, 20.4R3-S1, 21.1R3, 21.2R1-S2, 21.2R2-S1, 21.3R2, 21.4R1, 22.1R1
Juniper NetworksJunos OS Evolved20.4R3-S1-EVO, 21.2R1-S2-EVO, 21.3R2-EVO, 21.4R1-EVO, 22.1R1-EVO

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

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

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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