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7.5

Magma MME Crashes with Oversized NAS Packet

CVE-2023-37032 · published 1 year ago
Summary

A bug in Magma versions 1.8.0 and earlier allows a malicious device to crash the MME, which could potentially disrupt network services. This affects Magma network administrators who rely on the MME for mobile network management. Update to Magma version 1.9 or later to fix the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
linuxfoundation magma <= 1.8.0
cpe:2.3:a:linuxfoundation:magma:*:*:*:*:*:*:*:*
Original advisory text
A Stack-based buffer overflow in the Mobile Management Entity (MME) of Magma versions <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) allows remote attackers to crash the M...
A Stack-based buffer overflow in the Mobile Management Entity (MME) of Magma versions <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) allows remote attackers to crash the MME with an unauthenticated cellphone by sending a NAS packet containing an oversized `Emergency Number List` Information Element.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker partial control
Severity
7.5 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-787Out-of-bounds Write
CWE-78OS Command Injection
Timeline
Published21 Jan 2025
Updated31 Oct 2026
First seen7 Mar 2026
Sources
CVE-2023-37032 · NVD
CVE-2023-37032 · OSV
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