Arista EOS up to 4.33.0 BGP Peer Flap memory leak

Summaryinfo

A vulnerability classified as problematic has been found in Arista EOS up to 4.33.0. Affected is an unknown function of the component BGP Peer Flap Handler. Performing a manipulation results in memory leak. This vulnerability is known as CVE-2024-9135. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Arista EOS up to 4.33.0. This affects some unknown processing of the component BGP Peer Flap Handler. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. The summary by CVE is:

On affected platforms running Arista EOS with BGP Link State configured, BGP peer flap can cause the BGP agent to leak memory. This may result in BGP routing processing being terminated and route flapping.

The weakness was published with Craig Dods. The advisory is shared at arista.com. This vulnerability is uniquely identified as CVE-2024-9135 since 09/24/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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
• 4.27.0
• 4.27.1
• 4.28
• 4.28.0
• 4.29
• 4.29.9.0
• 4.29.9.1
• 4.30
• 4.30.8.0
• 4.30.8.1
• 4.31
• 4.31.0
• 4.31.1
• 4.31.2
• 4.31.3
• 4.31.4
• 4.31.5
• 4.32
• 4.33.0

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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