CVE-2024-7095

On affected platforms running Arista EOS with SNMP configured, if “snmp-server transmit max-size” is configured, under some circumstances a specially crafted packet can cause the snmpd process to leak memory. This may result in the snmpd process being term

Description

On affected platforms running Arista EOS with SNMP configured, if “snmp-server transmit max-size” is configured, under some circumstances a specially crafted packet can cause the snmpd process to leak memory. This may result in the snmpd process being terminated (causing SNMP requests to time out until snmpd is restarted) and memory pressure for other processes on the switch. Increased memory pressure can cause processes other than snmpd to be at risk for unexpected termination as well.

Remediation

Solution:

  • The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release that contains all the fixes listed below. For more information about upgrading see EOS User Manual: Upgrades and Downgrades https://www.arista.com/en/um-eos/eos-upgrades-and-downgrades   CVE-2024-7095 has been fixed in the following releases: * 4.32.3M and later releases in the 4.32.x train * 4.31.5M and later releases in the 4.31.x train * 4.30.8M and later releases in the 4.30.x train

Workaround:

  • The workaround is to disable snmp-server transmit max-size configuration: no snmp-server transmit max-size

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: Arista Networks EOS
Published at:
Updated at:

References

Link Tags
https://www.arista.com/en/support/advisories-notices/security-advisory/20650-security-advisory-0107

Frequently Asked Questions

What is the severity of CVE-2024-7095?
CVE-2024-7095 has been scored as a medium severity vulnerability.
How to fix CVE-2024-7095?
To fix CVE-2024-7095: The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release that contains all the fixes listed below. For more information about upgrading see EOS User Manual: Upgrades and Downgrades https://www.arista.com/en/um-eos/eos-upgrades-and-downgrades   CVE-2024-7095 has been fixed in the following releases: * 4.32.3M and later releases in the 4.32.x train * 4.31.5M and later releases in the 4.31.x train * 4.30.8M and later releases in the 4.30.x train
Is CVE-2024-7095 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-7095 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-7095?
CVE-2024-7095 affects Arista Networks EOS.
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