Fortinet FortiProxy/FortiOS SSL-VPN Tunnel Mode data authenticity

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Fortinet FortiProxy and FortiOS. Affected is an unknown function of the component SSL-VPN Tunnel Mode. The manipulation results in data authenticity. This vulnerability is reported as CVE-2023-45586. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Fortinet FortiProxy and FortiOS (affected version not known). Affected is some unknown functionality of the component SSL-VPN Tunnel Mode. The manipulation with an unknown input leads to a data authenticity vulnerability. CWE is classifying the issue as CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. This is going to have an impact on integrity. CVE summarizes:

An insufficient verification of data authenticity vulnerability [CWE-345] in Fortinet FortiOS SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.12 & FortiProxy SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.13 allows an authenticated VPN user to send (but not receive) packets spoofing the IP of another user via crafted network packets.

The advisory is shared for download at fortiguard.com. This vulnerability is traded as CVE-2023-45586 since 10/09/2023. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.0
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Data authenticity
CWE: CWE-345
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/09/2023 🔍
05/14/2024 +218 days 🔍
05/14/2024 +0 days 🔍
05/14/2024 +0 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-23-225
Status: Confirmed

CVE: CVE-2023-45586 (🔍)
GCVE (CVE): GCVE-0-2023-45586
GCVE (VulDB): GCVE-100-264252

Entryinfo

Created: 05/14/2024 19:07
Changes: 05/14/2024 19:07 (62)
Complete: 🔍
Cache ID: 216::103

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