PT-2023-30422 · Free5Gc+2 · Free5Gc+2

Tjbdlq · Published 2023-11-13 · Updated 2023-11-20 · CVE-2023-47346

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 UPF version 1.2.0 SMF version 1.2.0

Description The issue allows attackers to cause a denial of service via crafted PFCP messages. This is a Buffer Overflow vulnerability.

Recommendations For free5gc version 3.3.0, update to a version that fixes the Buffer Overflow vulnerability. For UPF version 1.2.0, update to a version that fixes the Buffer Overflow vulnerability. For SMF version 1.2.0, update to a version that fixes the Buffer Overflow vulnerability. As a temporary workaround, consider restricting the use of crafted PFCP messages to minimize the risk of exploitation.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2023-47346

Affected Products

Smf

Upf

Free5Gc

References · 5

• 🔥 https://github.com/free5gc/free5gc/issues/482 · Exploit
• https://osv.dev/vulnerability/CVE-2023-47346 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-47346 · Security Note
• https://twitter.com/VulmonFeeds/status/1724214926799995113 · Twitter Post
• https://t.me/cvenotify/60812 · Telegram Post