PT-2024-13847 · Open5Gs · Open5Gs

Liuxiaoxinxinxin · Published 2024-01-02 · Updated 2024-01-11 · CVE-2023-50019

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions open5gs version 2.6.6

Description An issue was discovered in open5gs where the InitialUEMessage, specifically a registration request sent at a certain time, can cause the AMF to crash due to incorrect error handling of the Nudm UECM Registration response.

Recommendations For open5gs version 2.6.6, as a temporary workaround, consider disabling the InitialUEMessage function until a patch is available. Restrict access to the Nudm UECM Registration response to minimize the risk of exploitation. Avoid using the Registration request at specific times when the error handling issue is most pronounced. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Handling of Exceptional Conditions

Resource Exhaustion

Weakness Enumeration

CWE-755

CWE-400

Related Identifiers

CVE-2023-50019

Affected Products

Open5Gs

References · 8

• 🔥 https://github.com/open5gs/open5gs/issues/2733 · Exploit
• https://github.com/open5gs/open5gs/commit/7278714133422cee46c32c7523f81ec2cecad9e2 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-50019 · Security Note
• https://osv.dev/vulnerability/CVE-2023-50019 · Vendor Advisory
• https://t.me/cvenotify/67083 · Telegram Post
• https://twitter.com/CVEnew/status/1742303058921693287 · Twitter Post
• https://t.me/cibsecurity/74209 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1742331377683501084 · Twitter Post