CVE-2024-21598 — Improper Validation of Syntactic Correctness of Input in Networks Junos OS

CWE-1286 — Improper Validation of Syntactic Correctness of Input4 documents4 sources

Severity

8.7HIGHNVD

EPSS

0.1%

top 64.94%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Juniper Networks Junos OS Juniper Networks Junos OS Evolved Juniper Junos +1 more

Timeline

PublishedApr 12

Description

An Improper Validation of Syntactic Correctness of Input vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). If a BGP update is received over an established BGP session which contains a tunnel encapsulation attribute with a specifically malformed TLV, rpd will crash and restart. This issue affects Juniper Networks Junos OS: * 20.4 versions 20.4R1 and later versi…

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

Affected Packages4 packages

▶CVEListV5juniper_networks/junos_os_evolved20.4-EVO — 20.4R3-S9-EVO+8

▶CVEListV5juniper_networks/junos_os20.4 — 20.4R3-S9+8

▶NVDjuniper/junos_os_evolved9 versions+8

▶NVDjuniper/junos9 versions+8

🔴Vulnerability Details

GHSA

GHSA-p5h3-wwqf-f5rv: An Improper Validation of Syntactic Correctness of Input vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS↗2024-04-12

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CVEList

Junos OS and Junos OS Evolved: A malformed BGP tunnel encapsulation attribute will lead to an rpd crash↗2024-04-12

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📋Vendor Advisories

Juniper

CVE-2024-21598: An Improper Validation of Syntactic Correctness of Input vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS↗2024-04-12

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