VDB-298604 · CVE-2024-8000 · GCVE-0-2024-8000

Arista EOS up to 4.30.8M/4.31.5M/4.32.4M Accelerated Software Upgrade Restart improper validation of specified quantity in input

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Arista EOS up to 4.30.8M/4.31.5M/4.32.4M. This impacts an unknown function of the component Accelerated Software Upgrade Restart Handler. Such manipulation leads to improper validation of specified quantity in input. This vulnerability is traded as CVE-2024-8000. Access to the local network is required for this attack to succeed. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Arista EOS up to 4.30.8M/4.31.5M/4.32.4M. Affected by this issue is an unknown code block of the component Accelerated Software Upgrade Restart Handler. The manipulation with an unknown input leads to a improper validation of specified quantity in input vulnerability. Using CWE to declare the problem leads to CWE-1284. The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties. Impacted is integrity. CVE summarizes:

On affected platforms running Arista EOS with 802.1X configured, certain conditions may occur where a dynamic ACL is received from the AAA server resulting in only the first line of the ACL being installed after an Accelerated Software Upgrade (ASU) restart. Note: supplicants with pending captive-portal authentication during ASU would be impacted with this bug.

The advisory is shared for download at arista.com. This vulnerability is handled as CVE-2024-8000 since 08/20/2024. The exploitation is known to be difficult. Access to the local network is required for this attack. No form of authentication is required for exploitation. 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

Vendor

Arista

Name

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (Arista): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper validation of specified quantity in input
CWE: CWE-1284 / CWE-703
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/20/2024 🔍
03/05/2025 +197 days 🔍
03/05/2025 +0 days 🔍
03/05/2025 +0 days 🔍

Sourcesinfo

Advisory: arista.com
Status: Confirmed

CVE: CVE-2024-8000 (🔍)
GCVE (CVE): GCVE-0-2024-8000
GCVE (VulDB): GCVE-100-298604

Entryinfo

Created: 03/05/2025 07:15
Changes: 03/05/2025 07:15 (62)
Complete: 🔍
Cache ID: 216::103