CVE-2024-39552 — Improper Handling of Exceptional Conditions in Networks Junos OS

CWE-755 — Improper Handling of Exceptional Conditions4 documents4 sources

Severity

8.7HIGHNVD

EPSS

1.3%

top 20.40%

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

PublishedJul 11

Description

An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows a network based, unauthenticated attacker to cause the RPD process to crash leading to a Denial of Service (DoS). When a malformed BGP UPDATE packet is received over an established BGP session, RPD crashes and restarts. Continuous receipt of the malformed BGP UPDATE messages will create a sustained Denial of Service (DoS) condition for impac…

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_evolved21.3-EVO — 21.3R3-S5-EVO+8

▶CVEListV5juniper_networks/junos_os21.2 — 21.2R3-S7+8

▶NVDjuniper/junos_os_evolved< 21.2+8

▶NVDjuniper/junos< 20.4+9

🔴Vulnerability Details

GHSA

GHSA-3fgw-53wh-c98c: An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved al↗2024-07-11

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CVEList

Junos OS and Junos OS Evolved: Malformed BGP UPDATE causes RPD crash↗2024-07-11

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📋Vendor Advisories

Juniper

CVE-2024-39552: An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved al↗2024-07-11

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