Dell SonicWALL NetExtender prior 10.2.337 Pre-Logon privilege defined with unsafe actions
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.3 | $0-$5k | 0.00 |
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.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔒VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB 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.): 🔒
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Privilege defined with unsafe actionsCWE: CWE-267 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Local: No
Remote: Partially
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: SonicWALL NetExtender 10.2.337
Timeline
09/26/2023 CVE reserved10/03/2023 Advisory disclosed
10/03/2023 VulDB entry created
10/23/2023 VulDB entry last update
Sources
Vendor: dell.comAdvisory: SNWLID-2023-0014
Status: Confirmed
CVE: CVE-2023-44218 (🔒)
Entry
Created: 10/03/2023 11:53Updated: 10/23/2023 17:17
Changes: 10/03/2023 11:53 (49), 10/23/2023 17:17 (12)
Complete: 🔍
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