CVE-2026-41564
0.02%V4
2026-04-23
07h29 +00:00
07h29 +00:00
指定 CVE 通知
随时了解指定 CVE 的变更。
CVE 描述
CryptX versions before 0.088 for Perl do not reseed the Crypt::PK PRNG state after forking
CryptX versions before 0.088 for Perl do not reseed the Crypt::PK PRNG state after forking. The Crypt::PK::RSA, Crypt::PK::DSA, Crypt::PK::DH, Crypt::PK::ECC, Crypt::PK::Ed25519 and Crypt::PK::X25519 modules seed a per-object PRNG state in their constructors and reuse it without fork detection. A Crypt::PK::* object created before `fork()` shares byte-identical PRNG state with every child process, and any randomized operation they perform can produce identical output, including key generation. Two ECDSA or DSA signatures from different processes are enough to recover the signing private key through nonce-reuse key recovery. This affects preforking services such as the Starman web server, where a Crypt::PK::* object loaded at startup is inherited by every worker process.CVE 解决方案
Upgrade to CryptX 0.088 or later, or apply the upstream patch.
Applying the fix does not retroactively protect keys that may already have been exposed. On an affected version, any private key used with or generated by a Crypt::PK::* object created before `fork()` should be assessed for rotation.
CVE 信息
相关弱点
| 弱点名称 | 来源 | |
|---|---|---|
| Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG) The product uses a Pseudo-Random Number Generator (PRNG) but does not correctly manage seeds. |
||
| Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong. |
EPSS
EPSS 是一种预测漏洞被利用可能性的评分模型。
EPSS 评分
EPSS 模型生成一个介于 0 到 1（即 0% 到 100%）之间的概率评分。评分越高，漏洞被利用的可能性越大。
EPSS 百分位
百分位用于根据 EPSS 评分对 CVE 进行排名。例如，EPSS 百分位为第 95 的 CVE，其被利用的可能性高于 95% 的其他 CVE。因此，百分位可用于比较不同 CVE 的 EPSS 评分。
