CVE-2023-37008

MEDIUM

Open5GS <= 2.6.4 - Buffer Overflow in S1AP Handler ASN.1 Deserialization

Title source: llm
STIX 2.1

Description

Open5GS MME versions <= 2.6.4 contain a buffer overflow in the ASN.1 deserialization function of the S1AP handler. This buffer overflow causes type confusion in decoded fields, leading to invalid parsing and freeing of memory. An attacker may use this to crash an MME or potentially execute code in certain circumstances.

References (1)

Core 1
Core References
Exploit, Technical Description, Third Party Advisory
https://cellularsecurity.org/ransacked

Scores

CVSS v3 5.3
EPSS 0.0027
EPSS Percentile 19.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-617
Status published
Products (1)
open5gs/open5gs < 2.6.4
Published Jan 22, 2025
Tracked Since Feb 18, 2026