Junos OS and Junos OS Evolved: In an SR to LDP interworking scenario, with SRMS, when a specific low privileged command is issued on an ABR rpd will crash (Juniper Networks Junos OS)

CVE-2022-22233
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.18 % · percentile 8 ()
State
PUBLISHED
Published
Updated
Assigner
juniper
NVD status
Modified

Description

An Unchecked Return Value to NULL Pointer Dereference vulnerability in Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause a Denial of Service (DoS). In Segment Routing (SR) to Label Distribution Protocol (LDP) interworking scenario, configured with Segment Routing Mapping Server (SRMS) at any node, when an Area Border Router (ABR) leaks the SRMS entries having "S" flag set from IS-IS Level 2 to Level 1, an rpd core might be observed when a specific low privileged CLI command is issued. This issue affects: Juniper Networks Junos OS 21.4 versions prior to 21.4R1-S2, 21.4R2-S1, 21.4R3; 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved 21.4-EVO versions prior to 21.4R1-S2-EVO, 21.4R2-S1-EVO, 21.4R3-EVO; 22.1-EVO versions prior to 22.1R2-EVO. This issue does not affect: Juniper Networks Junos OS versions prior to 21.4R1. Juniper Networks Junos OS Evolved versions prior to 21.4R1-EVO.

Weaknesses (CWE)

  • CWE-690 — Unchecked Return Value to NULL Pointer Dereference
  • CWE-252 — Unchecked Return Value

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hjuniper
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · sirt@juniper.net (Secondary)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Juniper Networks · Junos OSunaffected unspecified < 21.4R1 ; affected 21.4 < 21.4R1-S2, 21.4R2-S1, 21.4R3 ; affected 22.1 < 22.1R2
Juniper Networks · Junos OS Evolvedunaffected unspecified < 21.4R1-EVO ; affected 21.4-EVO < 21.4R1-S2-EVO, 21.4R2-S1-EVO, 21.4R3-EVO ; affected 22.1-EVO < 22.1R2-EVO

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD