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OpenSSL: Mehrere Schwachstellen
view advisory published 2021-03-25
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in OpenSSL ausnutzen, um einen Denial of Service Angriff durchzuführen und um kryptografische Sicherheitsmechanismen zu umgehen.
01
describes (2)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-3450US | high7.4 | Exploit | ||
The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.… | ||||
| CVE-2021-3449US | medium5.9 | Exploit | ||
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms… | ||||
02
references
External citations — patches, advisories, analysis.
- Red Hat Security Advisory RHSA-2021:1024 vom 2021-03-30external
- Red Hat Security Advisory RHSA-2021:1063 vom 2021-04-05external
- Red Hat Security Advisory RHSA-2021:1131 vom 2021-04-07external
- Red Hat Security Advisory RHSA-2021:1168 vom 2021-04-13external
- Red Hat Security Advisory RHSA-2021:1189 vom 2021-04-14external
- Red Hat Security Advisory RHSA-2021:1195 vom 2021-04-14external
- Red Hat Security Advisory RHSA-2021:1196 vom 2021-04-14external
- Red Hat Security Advisory RHSA-2021:1199 vom 2021-04-14external
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