CVE-2024-21587 — Improper Handling of Exceptional Conditions in Networks Junos OS
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 84.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 12
Description
An Improper Handling of Exceptional Conditions vulnerability in the broadband edge subscriber management daemon (bbe-smgd) of Juniper Networks Junos OS on MX Series allows an attacker directly connected to the vulnerable system who repeatedly flaps DHCP subscriber sessions to cause a slow memory leak, ultimately leading to a Denial of Service (DoS). Memory can only be recovered by manually restarting bbe-smgd.
This issue only occurs if BFD liveness detection for DHCP subscribers is enabled. Sys…
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6
Affected Packages2 packages
🔴Vulnerability Details
2CVEList▶
Junos OS: MX Series: Memory leak in bbe-smgd process if BFD liveness detection for DHCP subscribers is enabled↗2024-01-12
GHSA▶
GHSA-m2fv-89w7-x6jx: An Improper Handling of Exceptional Conditions vulnerability in the broadband edge subscriber management daemon (bbe-smgd) of Juniper Networks Junos O↗2024-01-12
📋Vendor Advisories
1Juniper▶
CVE-2024-21587:
An Improper Handling of Exceptional Conditions vulnerability in the broadband edge subscriber management daemon (bbe-smgd) of Juniper Networks Junos↗2024-01-12