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CVE-2023-24511— On affected platforms running Arista EOS with SNMP configured, a specially crafted packet can cause a memory leak in the snmpd process.

Quick assessment

Affected
Arista Networks EOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Arista Networks Extensible Operating System（EOS）是美国Arista Networks公司的一套用于下一代数据中心和云解决方案的可扩展的操作系统。 Arista Networks Extensible Operating System 存在安全漏洞，该漏洞源于特制的数据包会导致 snmpd 进程内存泄漏。受影响的产品和版本：4.29.1F 及以下版本，4.28.5.1M 及以下版本，4.27.8.1M 及以下版本，4.26.9M 及以下版本，4.25.10M

CVSS 5.3 · Medium EPSS 0.84% · P56

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2023-24511

Vulnerability Information
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Vulnerability Title
On affected platforms running Arista EOS with SNMP configured, a specially crafted packet can cause a memory leak in the snmpd process.
Source: CVE Program / CVE List V5
Vulnerability Description
On affected platforms running Arista EOS with SNMP configured, a specially crafted packet can cause a memory leak in the snmpd process. This may result in the snmpd processing being terminated (causing SNMP requests to time out until snmpd is automatically restarted) and potential memory resource exhaustion for other processes on the switch. The vulnerability does not have any confidentiality or integrity impacts to the system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: CVE Program / CVE List V5
Vulnerability Title
Arista Networks Extensible Operating System 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Arista Networks Extensible Operating System（EOS）是美国Arista Networks公司的一套用于下一代数据中心和云解决方案的可扩展的操作系统。 Arista Networks Extensible Operating System 存在安全漏洞，该漏洞源于特制的数据包会导致 snmpd 进程内存泄漏。受影响的产品和版本：4.29.1F 及以下版本，4.28.5.1M 及以下版本，4.27.8.1M 及以下版本，4.26.9M 及以下版本，4.25.10M
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Arista Networks EOS 4.28.0 4.28.5.1M -

II. Public POCs for CVE-2023-24511

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III. Intelligence Information for CVE-2023-24511

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Other References for CVE-2023-24511 (1)

Same Patch Batch · Arista Networks · 2023-04-12 · 3 CVEs total

CVE-2023-24545 7.5 HIGH On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (
CVE-2023-24513 6.5 MEDIUM On affected platforms running Arista CloudEOS a size check bypass issue in the Software Fo

IV. Related Vulnerabilities

Same product: EOS
Same vendor: Arista Networks
Same weakness: CWE-401

V. Comments for CVE-2023-24511

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