Arista 7280R3/7289R3/7500R3/7800R3 up to 4.28.5.1M/4.29.1F Mirroring out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Arista 7280R3, 7289R3, 7500R3 and 7800R3 up to 4.28.5.1M/4.29.1F. This affects an unknown part of the component Mirroring Handler. Executing a manipulation can lead to out-of-bounds. This vulnerability is registered as CVE-2023-3646. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Arista 7280R3, 7289R3, 7500R3 and 7800R3 up to 4.28.5.1M/4.29.1F and classified as problematic. This vulnerability affects an unknown functionality of the component Mirroring Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability.

The weakness was published 08/24/2023 as Security Advisory 0088 / Bug 829136 as confirmed security advisory (Website). The advisory is available at arista.com. The security advisory contains:

In order to be vulnerable to the CVE a system must already be impacted by BUG765111, which is a non CVE known issue.
This vulnerability was named CVE-2023-3646. The technical details are unknown and an exploit is not available. The advisory points out:
On affected platforms running Arista EOS with mirroring to multiple destinations configured, an internal system error may trigger a kernel panic and cause system reload.

Upgrading to version 4.28.6M or 4.29.2F eliminates this vulnerability. It is possible to mitigate the problem by applying the configuration setting Disable Mirroring Config. The best possible mitigation is suggested to be upgrading to the latest version. The security advisory contains the following remark:

The recommended resolution is to upgrade to a remediated software version at your earliest convenience.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Arista): 5.9
Vendor Vector (Arista): 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.9
CNA Vector (Arista Networks, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: 7280R3/7289R3/7500R3/7800R3 4.28.6M/4.29.2F
Config: Disable Mirroring Config

Timelineinfo

07/12/2023 🔍
08/24/2023 +43 days 🔍
08/24/2023 +0 days 🔍
09/16/2023 +23 days 🔍

Sourcesinfo

Advisory: Security Advisory 0088 / Bug 829136
Status: Confirmed

CVE: CVE-2023-3646 (🔍)
GCVE (CVE): GCVE-0-2023-3646
GCVE (VulDB): GCVE-100-237910

Entryinfo

Created: 08/24/2023 14:20
Updated: 09/16/2023 17:19
Changes: 08/24/2023 14:20 (36), 08/24/2023 14:23 (18), 09/16/2023 17:12 (2), 09/16/2023 17:19 (21)
Complete: 🔍
Cache ID: 216::103

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