SSA-772220

csafDEsiemens_psirt

SSA-772220: OpenSSL Vulnerabilities in Industrial Products

view advisory published 2021-07-13

OpenSSL has published a security advisory [0] about a vulnerability in OpenSSL versions 1.1.1 < 1.1.1k, that allows an unauthenticated attacker to cause a Denial-of-Service (DoS) if a maliciously crafted renegotiation message is sent. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends countermeasures for products where fixes are not, or not yet available. [0] https://www.openssl.org/news/secadv/20210325.txt

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2021-3449USmedium5.9Exploit
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…
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references

External citations — patches, advisories, analysis.

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remediations (113)

scry

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