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Description

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A vulnerability was identified in Open5GS up to 2.7.5. Affected by this vulnerability is the function amf_npcf_am_policy_control_build_create/amf_nsmf_pdusession_build_create_sm_context of the file src/amf/npcf-build.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The patch is named cf63dd63197bf61a4b041aa364ba6a6199ab15e4. It is recommended to upgrade the affected component.

Betroffen ist die Funktion amf_npcf_am_policy_control_build_create/amf_nsmf_pdusession_build_create_sm_context der Datei src/amf/npcf-build.c der Komponente AMF. Durch Manipulieren mit unbekannten Daten kann eine denial of service-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung. Ein Aktualisieren auf die Version 2.7.6 vermag dieses Problem zu lösen. Der Patch wird als cf63dd63197bf61a4b041aa364ba6a6199ab15e4 bezeichnet. Als bestmögliche Massnahme wird das Einspielen eines Upgrades empfohlen.

PUBLISHED Reserved 2025-08-09 | Published 2025-08-10 | Updated 2025-08-15 | Assigner VulDB




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
5.0AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C

Problem types

Denial of Service

Timeline

2025-08-09:Advisory disclosed
2025-08-09:VulDB entry created
2025-08-15:VulDB entry last update

Credits

lixxxiang (VulDB User) reporter

lixxxiang (VulDB User) analyst

References

vuldb.com/?id.319327 (VDB-319327 | Open5GS AMF npcf-build.c amf_nsmf_pdusession_build_create_sm_context denial of service) vdb-entry technical-description

vuldb.com/?ctiid.319327 (VDB-319327 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.626112 (Submit #626112 | Open5GS <=v2.7.5 Denail of Service) third-party-advisory

github.com/open5gs/open5gs/issues/3979 issue-tracking

github.com/open5gs/open5gs/issues/3979 issue-tracking

github.com/...ttachments/files/21104682/5g_amf_crash_ran.zip exploit

github.com/...ommit/cf63dd63197bf61a4b041aa364ba6a6199ab15e4 patch

github.com/open5gs/open5gs/releases/tag/v2.7.6 patch

github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8799 related

cve.org (CVE-2025-8799)

nvd.nist.gov (CVE-2025-8799)

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