Home/CVE/Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the corre
CVE

CVE-2023-4883

Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the corre

Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the correct operation of the service by sending a specially crafted json string to the VNF (Virtual Network Function), and triggering the ogs_sbi_message_free function, which could cause a service outage.

HIGH · CVSS 7.5 EPSS 0.00068
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-763Release of Invalid Pointer or Reference
CWE-763Release of Invalid Pointer or Reference
▤

Affected Products & Versions

1
open5gs<= 2.4.10
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve-coordination@incibe.es
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Oct 2023 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-open5gsThird Party Advisory
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