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I. Basic Information for CVE-2023-29409
Vulnerability Information

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Vulnerability Title
Large RSA keys can cause high CPU usage in crypto/tls
Source: NVD (National Vulnerability Database)
Vulnerability Description
Extremely large RSA keys in certificate chains can cause a client/server to expend significant CPU time verifying signatures. With fix, the size of RSA keys transmitted during handshakes is restricted to <= 8192 bits. Based on a survey of publicly trusted RSA keys, there are currently only three certificates in circulation with keys larger than this, and all three appear to be test certificates that are not actively deployed. It is possible there are larger keys in use in private PKIs, but we target the web PKI, so causing breakage here in the interests of increasing the default safety of users of crypto/tls seems reasonable.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Google Golang 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Golang是美国谷歌(Google)公司的一种静态强类型、编译型语言。Go的语法接近C语言,但对于变量的声明有所不同。Go支持垃圾回收功能。Go的并行模型是以东尼·霍尔的通信顺序进程(CSP)为基础,采取类似模型的其他语言包括Occam和Limbo,但它也具有Pi运算的特征,比如通道传输。在1.8版本中开放插件(Plugin)的支持,这意味着现在能从Go中动态加载部分函数。 Google Golang 存在资源管理错误漏洞,该漏洞源于RSA证书链中的极大RSA密钥可能会导致客户端/服务器在
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
Go standard librarycrypto/tls 0 ~ 1.19.12 -
II. Public POCs for CVE-2023-29409
#POC DescriptionSource LinkShenlong Link
1 CVE-2023-29409 reproducerhttps://github.com/mateusz834/CVE-2023-29409POC Details
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III. Intelligence Information for CVE-2023-29409
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IV. Related Vulnerabilities
V. Comments for CVE-2023-29409

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