Open5GS up to 2.7.1 Diameter S6a Interface src/mme/mme-fd-path.c mme_s6a_subscription_data_from_avp msisdn_len heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k1.18

Summaryinfo

A vulnerability classified as critical has been found in Open5GS up to 2.7.1. This issue affects the function mme_s6a_subscription_data_from_avp of the file src/mme/mme-fd-path.c of the component Diameter S6a Interface. The manipulation of the argument msisdn_len leads to heap-based overflow. This vulnerability is documented as CVE-2024-14043. The attack can be initiated remotely. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Open5GS up to 2.7.1. This issue affects the function mme_s6a_subscription_data_from_avp of the file src/mme/mme-fd-path.c of the component Diameter S6a Interface. The manipulation of the argument msisdn_len with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2024-14043. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

Upgrading to version 2.7.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 7ea82cb87bb65c3694d8d7c7a5efed1c4d3c9304 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Open5GS 2.7.2
Patch: 7ea82cb87bb65c3694d8d7c7a5efed1c4d3c9304

Timelineinfo

08/09/2026 Advisory disclosed
08/09/2026 +0 days VulDB entry created
08/09/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 3156
Status: Confirmed

CVE: CVE-2024-14043 (🔒)
GCVE (CVE): GCVE-0-2024-14043
GCVE (VulDB): GCVE-100-387281
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/09/2026 19:51
Changes: 08/09/2026 19:51 (63)
Complete: 🔍
Submitter: WeiYi
Cache ID: 216::103

Submitinfo

Accepted

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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