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CVE-2021-0209

Junos OS Evolved: Receipt of certain valid BGP update packets from BGP peers may cause RPD to core when using REGEX. PUBLISHED

Description (CNA)

In Juniper Networks Junos OS Evolved an attacker sending certain valid BGP update packets may cause Junos OS Evolved to access an uninitialized pointer causing RPD to core leading to a Denial of Service (DoS). Continued receipt of these types of valid BGP update packets will cause an extended Denial of Service condition. RPD will require a restart to recover. An indicator of compromise is to see if the file rpd.re exists by issuing the command: show system core-dumps This issue affects: Juniper Networks Junos OS Evolved 19.4 versions prior to 19.4R2-S2-EVO; 20.1 versions prior to 20.1R1-S2-EVO, 20.1R2-S1-EVO. This issue does not affect Junos OS.

Affected (CNA)

Vendor / productVersions
Juniper Networks / Junos OS Evolvedaffected 19.4 before 19.4R2-S2-EVO; affected 20.1 before 20.1R1-S2-EVO, 20.1R2-S1-EVO

CWE

CWE-824

References

ADP enrichment

CVE

No English description supplied.