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Vulnerability · Published Apr 17, 2023 · Assigned by juniper

CVE-2023-28980Junos OS and Junos OS Evolved: In a BGP rib sharding scenario an rpd crash will happen shortly after a specific CLI command is issued

Medium 5.5

In plain English

A medium-severity use-after-free in Junos OS from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 93.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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). This issue affects: Juniper Networks Junos OS * 20.2 version 20.2R3-S5 and later versions prior to 20.2R3-S6; * 20.3 version 20.3R3-S2 and later versions prior to 20.3R3-S5; * 20.4 version 20.4R3-S1 and later versions prior to 20.4R3-S4 * 21.1 version 21.1R3 and later versions prior to 21.1R3-S3; * 21.2 version 21.2R1-S2, 21.2R2-S1 and later versions prior to 21.2R3-S2; * 21.3 version 21.3R2 and later versions prior to 21.3R3; * 21.4 versions prior to 21.4R2-S1, 21.4R3; * 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved * 20.4-EVO version 20.4R3-S1-EVO and later versions prior to 20.4R3-S6-EVO; * 21.2-EVO version 21.2R1-S2-EVO and later versions prior to 21.2R3-S4-EVO; * 21.3-EVO version 21.3R2-EVO and later versions prior to 21.3R3-S1-EVO; * 21.4-EVO versions prior to 21.4R2-S1-EVO, 21.4R3-EVO; * 22.1-EVO versions prior to 22.1R2-EVO.

Affected products (as reported)

VendorProductVersions
Juniper Networks Junos OS 20.2R3-S5 – before 20.2R3-S620.3R3-S2 – before 20.3R3-S520.4R3-S1 – before 20.4R3-S421.1R3 – before 21.1R3-S321.2R1-S2, 21.2R2-S1 – before 21.2R3-S221.3R2 – before 21.3R321.4R1 – before 21.4R2-S1, 21.4R322.1R1 – before 22.1R2
Juniper Networks Junos OS Evolved 20.4R3-S1-EVO – before 20.4R3-S6-EVO21.2R1-S2-EVO – before 21.2R3-S4-EVO21.3R2-EVO – before 21.3R3-S1-EVO21.4R1-EVO – before 21.4R2-S1-EVO, 21.4R3-EVO22.1R1-EVO – before 22.1R2-EVO

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References