CVE-2019-1549: falha em OpenSSL
Fork Protection
Publicada em · Atualizada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 6.2%
OpenSSL 1.1.1 introduced a rewritten random number generator (RNG). This was intended to include protection in the event of a fork() system call in order to ensure that the parent and child processes did not share the same RNG state. However this protection was not being used in the default case. A partial mitigation for this issue is that the output from a high precision timer is mixed into the RNG state so the likelihood of a parent and child process sharing state is significantly reduced. If an application already calls OPENSSL_init_crypto() explicitly using OPENSSL_INIT_ATFORK then this problem does not occur at all. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c).
Produtos afetados
OpenSSL · OpenSSLCVEs relacionadas — OpenSSL
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Referências
https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=1b0fe00e2704b5e20334a16d3c9099d1ba2ef1behttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GY6SNRJP2S7Y42GIIDO3HXPNMDYN2U3A/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZN4VVQJ3JDCHGIHV4Y2YTXBYQZ6PWQ7E/https://seclists.org/bugtraq/2019/Oct/1https://security.netapp.com/advisory/ntap-20190919-0002/https://support.f5.com/csp/article/K44070243https://support.f5.com/csp/article/K44070243?utm_source=f5support&%3Butm_medium=RSShttps://usn.ubuntu.com/4376-1/https://www.debian.org/security/2019/dsa-4539https://www.openssl.org/news/secadv/20190910.txthttps://www.oracle.com/security-alerts/cpuapr2020.htmlhttps://www.oracle.com/security-alerts/cpujan2020.html