CVE-2024-39550 — Missing Release of Memory after Effective Lifetime in Networks Junos OS
Severity
7.1HIGHNVD
EPSS
0.2%
top 58.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 11
Description
A Missing Release of Memory after Effective Lifetime vulnerability in the rtlogd process of Juniper Networks Junos OS on MX Series with SPC3 allows an unauthenticated, adjacent attacker to trigger internal events cause ( which can be done by repeated port flaps) to cause a slow memory leak, ultimately leading to a Denial of Service (DoS).
Memory can only be recovered by manually restarting rtlogd process.
The memory usage can be monitored using the below command.
user@host> show system process…
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:N
Affected Packages2 packages
🔴Vulnerability Details
2GHSA▶
GHSA-938g-xvpf-6653: A Missing Release of Memory after Effective Lifetime vulnerability in the rtlogd process of Juniper Networks Junos OS on MX Series with SPC3 allows an↗2024-07-11
CVEList▶
Junos OS: MX Series with SPC3 line card: Port flaps causes rtlogd memory leak leading to Denial of Service↗2024-07-11
📋Vendor Advisories
1Juniper▶
CVE-2024-39550: A Missing Release of Memory after Effective Lifetime vulnerability in the rtlogd process of Juniper Networks Junos OS on MX Series with SPC3 allows an↗2024-07-11