Open5GS up to 2.7.0 security.c ogs_nas_encrypt len assertion

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Open5GS up to 2.7.0. It has been rated as problematic. This affects the function ogs_nas_encrypt in the library lib/nas/common/security.c. This manipulation of the argument len causes assertion. This vulnerability is registered as CVE-2024-34476. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Open5GS up to 2.7.0. It has been declared as problematic. Affected by this vulnerability is the function ogs_nas_encrypt in the library lib/nas/common/security.c. The manipulation of the argument len with an unknown input leads to a assertion vulnerability. The CWE definition for the vulnerability is CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. As an impact it is known to affect availability. The summary by CVE is:

Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2024-34476 since 05/04/2024. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.7.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Assertion
CWE: CWE-617
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Open5GS 2.7.1
Patch: github.com

Timelineinfo

05/04/2024 🔍
05/05/2024 +1 days 🔍
05/05/2024 +0 days 🔍
05/05/2024 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2024-34476 (🔍)
GCVE (CVE): GCVE-0-2024-34476
GCVE (VulDB): GCVE-100-263095

Entryinfo

Created: 05/05/2024 06:10
Changes: 05/05/2024 06:10 (56)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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