CVE-2024-39526 — Improper Handling of Exceptional Conditions in Networks Junos OS

CWE-755 — Improper Handling of Exceptional Conditions4 documents4 sources
Severity
7.1HIGHNVD
EPSS
0.1%
top 76.15%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Juniper Networks Junos OSJuniper Networks Junos OS EvolvedJuniper Junos+1 more
Timeline
PublishedOct 11

Description

An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series with MPC10/MPC11/LC9600 line cards, EX9200 with EX9200-15C lines cards, MX304 devices, and Juniper Networks Junos OS Evolved on PTX Series, allows an attacker sending malformed DHCP packets to cause ingress packet processing to stop, leading to a Denial of Service (DoS). Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condit…

CVSS vector

CVSS:4.0/AV:A/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_evolved19.3R1-EVO — 21.2R3-S8-EVO+7
▶NVDjuniper/junos_os_evolved19.4 — 21.2+9
▶CVEListV5juniper_networks/junos_os21.4 — 21.4R3-S6+5
▶NVDjuniper/junos< 21.2+6

🔴Vulnerability Details

2
GHSA
GHSA-qxf5-vpwf-vj9q: An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series with MPC10/MPC11/LC9600 li↗2024-10-11
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CVEList
Junos OS and Junos OS Evolved: MX Series with MPC10/MPC11/LC9600, MX304, EX9200, PTX Series: Receipt of malformed DHCP packets causes interfaces to stop processing packets↗2024-10-11
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📋Vendor Advisories

1
Juniper
CVE-2024-39526: An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series with MPC10/MPC11/LC9600 li↗2024-10-11
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