漏洞信息
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Vulnerability Title
Inefficient candidate hostname parsing in crypto/x509
Vulnerability Description
(*x509.Certificate).VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name (SAN) entries. This caused strings.Split(host, ".") to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number of SAN entries multiplied by the hostname's label count. Because x509.Verify validates hostnames before building the certificate chain, this overhead occurred even for untrusted certificates.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Google Go 安全漏洞
Vulnerability Description
Google Go是美国谷歌(Google)公司的一种静态强类型、编译型、并发型,并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞,该漏洞源于在循环中重复调用strings.Split导致验证成本随DNS SAN条目数量呈二次方增长,即使对不受信任的证书也会产生开销。
CVSS Information
N/A
Vulnerability Type
N/A