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I. Basic Information for CVE-2023-37475
Vulnerability Information

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Vulnerability Title
Attacker-controlled parameter can cause denial of service in hamba avro
Source: NVD (National Vulnerability Database)
Vulnerability Description
Hamba avro is a go lang encoder/decoder implementation of the avro codec specification. In affected versions a well-crafted string passed to avro's `github.com/hamba/avro/v2.Unmarshal()` can throw a `fatal error: runtime: out of memory` which is unrecoverable and can cause denial of service of the consumer of avro. The root cause of the issue is that avro uses part of the input to `Unmarshal()` to determine the size when creating a new slice and hence an attacker may consume arbitrary amounts of memory which in turn may cause the application to crash. This issue has been addressed in commit `b4a402f4` which has been included in release version `2.13.0`. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hamba avro 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Avro是hamba开源的一个快速 Go Avro 编解码器。 Hamba avro存在资源管理错误漏洞,该漏洞源于在创建新切片时使用 Unmarshal() 的部分输入来确定大小,从而允许消耗任意数量的内存,导致程序崩溃。
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
VendorProductAffected VersionsCPESubscribe
hambaavro < 2.13.0 -
II. Public POCs for CVE-2023-37475
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III. Intelligence Information for CVE-2023-37475
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