Arista EOS up to 4.30.8M/4.31.5M/4.32.3M/4.33.0 Traffic Policy improper validation of specified quantity in input

Summaryinfo

A vulnerability described as problematic has been identified in Arista EOS up to 4.30.8M/4.31.5M/4.32.3M/4.33.0. Affected by this vulnerability is an unknown functionality of the component Traffic Policy Handler. Executing a manipulation can lead to improper validation of specified quantity in input. This vulnerability is registered as CVE-2024-9448. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in Arista EOS up to 4.30.8M/4.31.5M/4.32.3M/4.33.0 and classified as problematic. This vulnerability affects an unknown code block of the component Traffic Policy Handler. The manipulation with an unknown input leads to a improper validation of specified quantity in input vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

On affected platforms running Arista EOS with Traffic Policies configured the vulnerability will cause received untagged packets not to hit Traffic Policy rules that they are expected to hit. If the rule was to drop the packet, the packet will not be dropped and instead will be forwarded as if the rule was not in place. This could lead to packets being delivered to unexpected destinations.

The advisory is available at arista.com. This vulnerability was named CVE-2024-9448 since 10/02/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/26/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Arista

Name

• EOS

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 4.10
• 4.11
• 4.12
• 4.13
• 4.14
• 4.15
• 4.16
• 4.17
• 4.18
• 4.19
• 4.20
• 4.21
• 4.22
• 4.23
• 4.24
• 4.25
• 4.26
• 4.27
• 4.28
• 4.29
• 4.30
• 4.30.8M
• 4.31
• 4.31.5M
• 4.32
• 4.32.3M
• 4.33.0

License

• commercial

CPE 2.3info

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CPE 2.2info

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