Dell SonicWALL NetExtender prior 10.2.337 Pre-Logon privilege defined with unsafe actions

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability classified as very critical has been found in Dell SonicWALL NetExtender. The impacted element is an unknown function of the component Pre-Logon. Performing a manipulation results in privilege defined with unsafe actions. This vulnerability is cataloged as CVE-2023-44218. The attack must originate from the local network. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Dell SonicWALL NetExtender (Firewall Software). This affects some unknown processing of the component Pre-Logon. The manipulation with an unknown input leads to a privilege defined with unsafe actions vulnerability. CWE is classifying the issue as CWE-267. A particular privilege, role, capability, or right can be used to perform unsafe actions that were not intended, even when it is assigned to the correct entity. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A flaw within the SonicWall NetExtender Pre-Logon feature enables an unauthorized user to gain access to the host Windows operating system with 'SYSTEM' level privileges, leading to a local privilege escalation (LPE) vulnerability.

The weakness was shared 10/03/2023 as SNWLID-2023-0014. The advisory is shared at psirt.global.sonicwall.com. This vulnerability is uniquely identified as CVE-2023-44218 since 09/26/2023. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/23/2023). MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 10.2.337 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.3

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (SonicWALL, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Privilege defined with unsafe actions
CWE: CWE-267 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: SonicWALL NetExtender 10.2.337

Timelineinfo

09/26/2023 🔍
10/03/2023 +7 days 🔍
10/03/2023 +0 days 🔍
10/23/2023 +20 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: SNWLID-2023-0014
Status: Confirmed

CVE: CVE-2023-44218 (🔍)
GCVE (CVE): GCVE-0-2023-44218
GCVE (VulDB): GCVE-100-241149

Entryinfo

Created: 10/03/2023 11:53
Updated: 10/23/2023 17:17
Changes: 10/03/2023 11:53 (49), 10/23/2023 17:17 (12)
Complete: 🔍
Cache ID: 216::103

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