PT-2023-30423 · Free5Gc · Free5Gc

Tjbdlqo · Published 2023-11-15 · Updated 2023-11-21 · CVE-2023-47347

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions free5gc version 3.3.0

Description The issue allows attackers to cause a denial of service via crafted PFCP messages whose Sequence Number is mutated to overflow bytes. This can be achieved by exploiting a Buffer Overflow vulnerability.

Recommendations For free5gc version 3.3.0, as a temporary workaround, consider restricting the handling of crafted PFCP messages to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2023-47347

Affected Products

Free5Gc

References · 4

• 🔥 https://github.com/free5gc/free5gc/issues/496 · Exploit
• https://osv.dev/vulnerability/CVE-2023-47347 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-47347 · Security Note
• https://t.me/cvenotify/60871 · Telegram Post