漏洞信息
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Vulnerability Title
X.509 Policy Constraints Double Locking
Vulnerability Description
If an X.509 certificate contains a malformed policy constraint and policy processing is enabled, then a write lock will be taken twice recursively. On some operating systems (most widely: Windows) this results in a denial of service when the affected process hangs. Policy processing being enabled on a publicly facing server is not considered to be a common setup. Policy processing is enabled by passing the `-policy' argument to the command line utilities or by calling the `X509_VERIFY_PARAM_set1_policies()' function. Update (31 March 2023): The description of the policy processing enablement was corrected based on CVE-2023-0466.
CVSS Information
N/A
Vulnerability Type
加锁机制不恰当
Vulnerability Title
OpenSSL 安全漏洞
Vulnerability Description
OpenSSL是OpenSSL团队的一个开源的能够实现安全套接层（SSLv2/v3）和安全传输层（TLSv1）协议的通用加密库。该产品支持多种加密算法，包括对称密码、哈希算法、安全散列算法等。 OpenSSL 存在安全漏洞，该漏洞源于如果 X.509 证书包含格式错误的策略约束并且启用了策略处理，那么将递归地获取两次写锁， 在某些操作系统上，当受影响的进程挂起时，这会导致拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A