Alpine Halo9 prh_l2_sar_data_ind use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as very critical has been found in Alpine Halo9. Affected by this issue is the function prh_l2_sar_data_ind. Such manipulation leads to use after free. This vulnerability is listed as CVE-2024-23923. The attack may be performed from remote. There is no available exploit. It is recommended to use an alternative to replace the affected component.

Detailsinfo

A vulnerability was found in Alpine Halo9 (the affected version unknown). It has been rated as very critical. Affected by this issue is the function prh_l2_sar_data_ind. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Alpine Halo9 prh_l2_sar_data_ind Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Alpine Halo9 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the prh_l2_sar_data_ind function. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-22945

The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2024-23923 since 01/23/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/04/2024).

The problem might be mitigated by replacing the product with as an alternative.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 9.1

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Alternative
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/23/2024 🔍
06/22/2024 +150 days 🔍
06/22/2024 +0 days 🔍
10/04/2024 +104 days 🔍

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2024-23923 (🔍)
GCVE (CVE): GCVE-0-2024-23923
GCVE (VulDB): GCVE-100-269468

Entryinfo

Created: 06/22/2024 08:06
Updated: 10/04/2024 04:03
Changes: 06/22/2024 08:06 (50), 09/28/2024 20:54 (13), 10/04/2024 04:03 (12)
Complete: 🔍
Cache ID: 216::103

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