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CVE-2024-37877

MEDIUMCVSS 5.5/10EPSS 0.32%

Last modified

CVE-2024-37877 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. UERANSIM before 3.2.6 allows out-of-bounds read when a RLS packet is sent to gNodeB with malformed PDU length. This occurs in function readOctetString in src/utils/octet_view.cpp and in function DecodeRlsMessage in src/lib/rls/rls_pdu.cpp. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

UERANSIM before 3.2.6 allows out-of-bounds read when a RLS packet is sent to gNodeB with malformed PDU length. This occurs in function readOctetString in src/utils/octet_view.cpp and in function DecodeRlsMessage in src/lib/rls/rls_pdu.cpp

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

EPSS Probability
0.32%

23.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2024-37877?
UERANSIM before 3.2.6 allows out-of-bounds read when a RLS packet is sent to gNodeB with malformed PDU length. This occurs in function readOctetString in src/utils/octet_view.cpp and in function DecodeRlsMessage in src/lib/rls/rls_pdu.cpp
How severe is CVE-2024-37877?
CVE-2024-37877 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2024-37877?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-37877?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST