#ssl

`SubjectAlternativeName` and `ExtendedKeyUsage` arguments were parsed using the OpenSSL function `X509V3_EXT_nconf`. This function parses all input using an OpenSSL mini-language which can perform arbitrary file reads. Thanks to David Benjamin (Google) for reporting this issue.

These functions would crash when the context argument was None with certain extension types. Thanks to David Benjamin (Google) for reporting this issue.

The NATS official Rust clients are vulnerable to MitM when using TLS. The common name of the server's TLS certificate is validated against the `host`name provided by the server's plaintext `INFO` message during the initial connection setup phase. A MitM proxy can tamper with the `host` field's value by substituting it with the common name of a valid certificate it controls, fooling the client into accepting it. ## Reproduction steps 1. The NATS Rust client tries to establish a new connection 2. The connection is intercepted by a MitM proxy 3. The proxy makes a separate connection to the NATS server 4. The NATS server replies with an `INFO` message 5. The proxy reads the `INFO`, alters the `host` JSON field and passes the tampered `INFO` back to the client 6. The proxy upgrades the client connection to TLS, presenting a certificate issued by a certificate authority present in the client's keychain. In the previous step the `host` was set to the common name of said certificate 7. `rus...

SanDisk PrivateAccess versions prior to 6.4.9 support insecure TLS 1.0 and TLS 1.1 protocols which are susceptible to man-in-the-middle attacks thereby compromising confidentiality and integrity of data.

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 17 and March 24. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key

Red Hat Security Advisory 2023-1440-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library.

Red Hat Security Advisory 2023-1437-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library.

Red Hat Security Advisory 2023-1439-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library.

Red Hat Security Advisory 2023-1441-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library.

Red Hat Security Advisory 2023-1438-01 - OpenSSL is a toolkit that implements the Secure Sockets Layer and Transport Layer Security protocols, as well as a full-strength general-purpose cryptography library.