NICMx Fort up to 1.6.2 Resource Certificate buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in NICMx Fort up to 1.6.2. The affected element is an unknown function of the component Resource Certificate Handler. Such manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2024-45237. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in NICMx Fort up to 1.6.2. It has been rated as critical. Affected by this issue is some unknown functionality of the component Resource Certificate Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Fort before 1.6.3. A malicious RPKI repository that descends from a (trusted) Trust Anchor can serve (via rsync or RRDP) a resource certificate containing a Key Usage extension composed of more than two bytes of data. Fort writes this string into a 2-byte buffer without properly sanitizing its length, leading to a buffer overflow.

The advisory is shared for download at nicmx.github.io. This vulnerability is handled as CVE-2024-45237 since 08/24/2024. The exploitation is known to be difficult. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 216672 (Debian dla-4066 : fort-validator - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.6.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (216672). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.0

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector (MITRE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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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Nessus ID: 216672
Nessus Name: Debian dla-4066 : fort-validator - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Fort 1.6.3

Timelineinfo

08/24/2024 🔍
08/25/2024 +1 days 🔍
08/25/2024 +0 days 🔍
02/24/2025 +183 days 🔍

Sourcesinfo

Advisory: nicmx.github.io
Status: Confirmed

CVE: CVE-2024-45237 (🔍)
GCVE (CVE): GCVE-0-2024-45237
GCVE (VulDB): GCVE-100-275732

Entryinfo

Created: 08/25/2024 08:04
Updated: 02/24/2025 03:57
Changes: 08/25/2024 08:04 (55), 08/27/2024 04:43 (12), 08/28/2024 03:52 (11), 02/24/2025 03:57 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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